What are the answers through 20-30
I will mark as brainlest if correct

How did geography impact the development of the early russia?

Which events are correlated but do not necessarily have a causal relationship?

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.