Explain the role of the silk roads in changing and spreading indian culture

How did the byzantine culture influence russia?

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?

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.