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.
A state constitution is important to each individual state. However, a state constitution does not establish the different types of local governments in each city. That process must be made by the cities themselves.
Answer:
3. Being an island nation makes it a lot easier to isolate yourself.
Explanation: