Between 1820 and 1860, describe the rise of the factory system in the united states

What is the main idea of this excerpt

Describe the impact of the neolithic revolution on civilization

Two of these describe "federalism." (choose two answers) select one or more: a. the national government absolutely controls all state governments. b. power is shared by the national and state governments. c. state governments exercise absolute power over the national government. d. it is a compromise meant to eliminate the disadvantages of a "unitary" and a "confederate" system.