Some key concepts include:
Nationalism: It is a branch of human geography that deals with the relationship between political processes and spatial structures.
It usually has to do with countries
Territoriality: Division of the amount of land claimed by a certain person or group. It is the political division of the earth into separate countries or states.
hope this helps
(sorry went to eat dinner so took awhile...)
The southern part of the us because its closer to the equator.
D) Architecture with ornate geometric patterns who popular.
The Erie Canal flows through New York.