The suburbs became very popular during the 1950s because of post WWII economic prosperity as well as other factors. American cities were viewed as decaying, there were racial fears that led to a phenomenon called "white flight" of whites moving from cities to the suburbs because of racial fear, and also there was affordable housing to be found in the suburbs that provided more space and luxury for the average American family.
The most significant immediate impact of the Columbian exchange was the cultural exchanges and the transfer of people (both free and enslaved) between continents.
Answer:
Cultural and ethnic integration.
Explanation:
Cultural integration is a process of cultural exchange which results in groups of people assuming and practicing the beliefs of other culture without sacrificing her own cultural attributes.
Ethnic integration involves social process by which different ethnics continue to interact resulting in ethnic identity of the participants.
China has about 56 ethnic tribes with about 55 minorities and 1 major tribe.
In the question, expansion through conquest is not the major concern of the Chinese governments but rather intergration of various ethnic and cultural groups within its territories.
