A: The Civil War
Assuming that you're talking about the American (U.S) civil war, that is.
The civil war was a conflict between the rights of the (slave owning) states and the national government. A war about state rights.
The war of 1812 was between 2 independent, sovereign nations.
The great depression was just an economic thing.
The northwest ordnance, I have the least knowledge of, but it still wasn't between states and the national government.
Hope this helps.
The central powers moral decrease because they knew they had to face the world's most powerful economy
Answer:
Federalism is a mixed or compound mode of government that combines a general government (the central or "federal" government) with regional governments (provincial, state, cantonal, territorial or other sub-unit governments) in a single political system.
