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The so-called parallel universe refers to the world that coexists with our universe but is not connected to each other. In this parallel universe, there is also another galaxy, another sun, another earth......

In 2135 AD, one of the greatest discoveries in human history--- the theory of hyperspace navigation was published, and mankind left the solar system and embarked on a journey into the universe. To commemorate this great scientific discovery, the United Nations adopted a resolution to introduce a new calendar that year, taking that year as the first year of the ephemeris, and a new era for mankind began.

In the following 500 years, just like the previous Age of Discovery, human beings carried out large-scale exploration and exploitation of the world around the earth--- labeling star maps, naming newly discovered stars and nebulae...... Every day there are new inventions, every day there are exciting new discoveries...... By the year 532 of the ephemeris, mankind had discovered dozens of habitable planets, and large-scale cosmic migration began when the first habitable planet, the Planet Eden, began to be discovered, and the construction of these new human colonies consumed centuries of human time, a period that is generally called another golden age of mankind.

As the frontiers of humanity expanded, new problems arose, and in this wave of expansion into the universe, the position of the center of the earth was correspondingly weakened, and after the death of the first generation of immigrants, their second and third generations... The affection and attachment of children and grandchildren to the earth has gradually faded, and for them, the earth is nothing more than a watery planet where their ancestors once lived. As the colonial governments became more and more in control and say in the affairs of their own planet, the calls for independence were getting louder, and relations with the Earth began to be strained, and everything seemed to be a replica of North America's independence from the British Empire......

In March 571 of the Ephemeris ephemeris, in colonial New London, when some colonists dissatisfied with the United Earth Government held a demonstration in front of the Earth Representative Office, a rumor that "there was a bomb in the crowd" caused the crowd to panic and run wildly, causing them to stampede each other. After the police managed to bring the situation under control, the scene was already a mess, and this peaceful demonstration and appeal turned into a tragedy of 37 dead and more than 100 injured.

No one knows who the rumor-mongers are, whether it is a conspiracy or not, and the truth may never be known, and perhaps it will be buried in the dust of history forever. The angry colonists vented their anger on the innocent Earth Coalition Government, the Colonial Government began to openly discuss the issue of independence, and the New London polls also showed that up to 87% of the people supported independence, tensions continued to escalate, and several space warships of the Earth Coalition Government began to patrol the planetary orbit of New London, and people couldn't help but speculate: Will there be another war of independence?

Purely in terms of military power, the United Earth Government undoubtedly has an overwhelming advantage, in addition to the huge Starfleet, there are millions of Marine Forces, and the New London Colony, in addition to the police force, is a few old space warships and space patrol boats, both in terms of equipment and training are far inferior to the United Earth Government, the only advantage is that the colony planets that support New London are also much more than those that support the United Earth Government, however, despite this, It is widely believed that the war will be won by the Earth side, and that the discussion is about how quickly the Earth side can end the war and how to minimize casualties, and only a few visionaries, using the countless lessons of previous history as a reference, point out that the Earth side will not win easily, that the war will be protracted and bloody, and that in the end, it will be a disaster for both sides.

Thankfully, however, the lessons of the original American Revolutionary War were learned, and at the last minute, diplomacy and negotiations prevailed. In September of the year 571 of the Ephemeris, after arduous negotiations, the Treaty of New London was signed, and several colonies, including New London, were granted their wishes, and the war was finally averted, and all the humans who were worried about the development of the situation could not help but breathe a sigh of relief.

However, no one expected that the signing of the New London Treaty would be a watershed moment in the human world.

After the signing of the treaty, the United Earth Government learned the lessons, put down its shelves, gradually adjusted its superior mentality as the origin of mankind, and re-established the Earth Federation with an attitude of equal coexistence with a few other colonial governments near the Earth, and under the wise leadership of the Senate, the Federation continued to develop steadily at its own pace;

On the contrary, the newly independent colonial governments also formed alliances, but the alliances embarked on a path of military expansion out of fear of the overwhelming military superiority of the Union. In the year 712 of the Ephemeris, the Alliance had far surpassed the Earth Federation in terms of territory, resources, and military power, and it was also in the same year that Senator Steve, who was a soldier, took control of the parliament with the support of his loyal troops, and granted himself the supreme head for life, monopolizing power, imposing press control and repressive rule, and becoming a veritable dictator, an emperor without the name of an emperor.

In the year 782 of the ephemeris, the third head of the League, Joseph. Steve controls the council to pass a resolution, and the Galactic Empire is born.

As the saying goes, one mountain cannot tolerate two tigers, and this sentence is no exception in international relations and politics. Since the split of the League and the Union, although the relationship between the two sides has not been harmonious, but they can still maintain peace and quiet, but they do not say it verbally, but in private they have always regarded each other as imaginary enemies, and when Steve came to power, as many dissidents continued to flee to the Federation due to persecution and high pressure, the relationship between the two sides began to deteriorate sharply, and public accusations became commonplace, and military confrontation gradually took shape, and this tense confrontation of nearly a century was called the New Cold War by later generations, until the advent of the War in the year 804 of the ephemeris.

Although the Federation began to expand its military strength after the start of the new Cold War to make up for the gap in strength between the two sides, but until the start of the war, the Federation's military strength was still at a considerable disadvantage compared to the empire that implemented the military expansion policy. The space station and others have fallen one after another, the situation of the Federation is precarious, the Imperial fleet is heading directly at the earth, and the Federation urgently needs a key victory to stabilize the war, boost morale, and block the attack of the Imperial Army.

In the year 806 of the ephemeris, the Federation concentrated its forces, commanded by the famous general General Hamilton, in the Battle of Big Horn 7 Star Field, severely damaged the second, third, and seventh fleets of the Imperial Army, sinking and severely damaging nearly 400 ships of various types of the Imperial Army, including 42 space carriers, destroying more than 3,800 fighters of various types, and achieving the first great victory of the Federation since the start of the war.

In the face of the Federation's all-out counterattack, the Empire had to retreat from the newly occupied area and return to the mainland, relying on the defense network built on the mainland, such as air mines, early warning and reconnaissance satellites, space fortresses, and automatic defense turrets. In the face of the Empire's strong defense line, it is simply powerless to continue to launch a new round of offensive, and the battle line is basically stable near the demarcation line before the war.

After the previous fierce battle, everyone understood that the other side was not a soft persimmon, except for some small-scale battles and conflicts on the front line, the large-scale war was temporarily subsided, and the Federation and the Empire began to enter a new round of stinging period, licking their wounds, both sides are expanding their armaments, recruiting reservists, and accumulating strength...... A new round of large-scale battles is in the making.

In such a complex and delicate situation, the Galactic Empire's remote star field planet Heidelberg's Risen . Nigaul received a notice of enlistment from the Empire.