In the eighteenth year of Shunzhi, the Qing government issued the "order to move the coastal residents from Hebei, Shandong to Guangdong to Sanli, all the way to.

(2) There is no shortage of foreign goods in China, and there is no need for economic exchanges with foreign countries (food and clothing do not need foreign goods, so there is no shortage in China). In order to resist western colonial aggression, there is no reason to form internal and external barriers. Although I want to spy on me, I can't get it! )。

(3) (1) played a certain role in self-defense against the aggression of western colonialists.

(2) The Qing government closed its doors to the outside world, that is, it failed to see the changes in the world situation, and failed to learn advanced scientific knowledge and production technology from the West in time, which made China gradually fall behind in the world.