Answer:
1- Geography has affected world history because we have been able to make maps, and explore new territories and cultures because of these maps.
2- Because of disagreements there have been many wars which can eventually lead to a country claiming other countries as a part of their territory, but can also lead to the original country losing land perhaps even more than they had already lost when the disagreement first started.
Southern blacks lost rights in the years after the thirteenth fourteenth and fifteenth amendments because the North withdrew many of the troops that had been enforcing these new laws, leaving southerners to pass a series of Jim Crow laws that prohibited blacks from voting, gaining jobs, and a variety of other things in the South.
Nationalism is patriotic feelings and having pride in one's country.
