The relationship between historical migration and economic extroversion

First, the selection is made by the exclusion method. An imperialist invasion will not lead to immigration, but will only change people's living areas in a short time. For example, in order to avoid war, most people will return to their hometown after the end; B, longing for urban life, which is the trend of urbanization or urbanization; D, the disintegration of natural economy is the inevitable result of market economy, which has little to do with immigration tide;

Only C, the export-oriented economy, allows more people to contact the external environment, produces yearning and pursuit for other regions and countries, and hopes to migrate from the deep heart, or the investment behavior caused by pure economic life for convenience, and the immigration behavior caused by convenience;

So I choose C.

On the other hand, the trend of the disintegration of natural economy is the establishment of market economy, which can not fundamentally lead to the tendency of immigration;

For reference!