Not only because of the Mo knife and three-edged military spear designed by Xu Ying, but also the "ID card" proposed by Xu Ying, with Feng Jiren's strong support and implementation, now all the people in the Great Song Dynasty have their own ID cards.

Oh, no, this thing hasn't developed so fast, but all the people in the imperial capital have an ID card.

The people of the Great Song Dynasty, no matter where they go......

Chapter 695 The Bow and Crossbow Problem is in the middle of the hand, please wait a moment,

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