McCarthyism is the practice of making accusations of subversion or treason, especially when related to communism. The term refers to U.S senator Joseph McCarthy (R-Wisconsin) and has its origins in the period in the United States known as the Second Red Scare, lasting from the late 1940s through the 1950s.
Answer:
The answer would be nationalism.
Explanation:
They have different ecomimic values due to their differences in place and times. As well as being different nationalites, they are going to be different socially too. Considering they may have different languages, it would affect the way people from the north would socialize to people in the south. The USA and China have different political reasons and presidents so of course this would be the same wiht the North and South.
Collecting taxes. Is the answer.