It could be all of the above but i think its mostly a political system and as a society.
Growing Population had the greatest effect on growth of cities and the expansion of cities to suburbs.
Answer:
Federalism is a mixed or compound mode of government that combines a general government with regional governments in a single political system. Its distinctive feature, first embodied in the Constitution of the United States of 1789, is a relationship of parity between the two levels of government established.
Explanation:
Your answer would be D or 4th answer
Southern Secession is the event or issue that historians can gain.
