Why was Tennessee not under occupation?:
"Because it ratified the Fourteenth Amendment, Tennessee was the only state that seceded from the Union that did not have a military governor during Reconstruction. This did not placate those unhappy with the Confederate defeat." - Wikipedia history
Which states took the longest to be re-admitted?:
1. South Carolina July 9, 1868
2. Mississippi Feb. 23, 1870
3. Florida June 25, 1868
What impact did riots in Memphis and New Orleans have on Reconstruction?:
"The riots catalyzed support for the Fourteenth Amendment, extending suffrage and full citizenship to freedmen, and the Reconstruction Act, to establish military districts for the national government to oversee areas of the South and work to change their social arrangements." - Wikipedia history
Which is an example of regulation in the automobile industry?
The main factor was the utilization of raised field agriculture. They would build these fields that had been artificially raised to a certain height along a flowing water source (mostly rivers but occasionally streams as well in some cases). When tropical weather patterns would cause said water sources to flood, instead of washing away the crops, it would act as irrigation for the raised fields. Securing a steady food source allowed the Mayans to support a large civilization in the tropical regions they called home.
Answer:
Federalism has evolved over the course of American history. ... Because the powers rarely overlapped, dual federalism is also known as 'layer cake' federalism. Dual federalism was used in this country for a long time. However, by the 1930s, 'layer cake' federalism began to morph into 'marble cake' federalism.