B: Plessy v. Ferguson because at that time they belived in seperate but equal..which was not the case it was really unfair. So brought to the matter they sorted it out in the supreme court.
It's letter C Beacuse <span>is the historical period during which the exercise of power in Mexico was under control of Porfirio <span>Diaz.</span></span>
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.
The picture is just a black screen!