THIS IS SUPER DUPER URGENT! please help me very ez, wil 5 star, and thank you in advance

How did Jefferson Davis become involved with leading the Confederacy?

A. He had a lot of ideas about how to gain more power.
B. He had a lot of military and political experience.
C. He had a lot of support from the citizens.
D. He had a lot of support from the soldiers.

How does federalism limit the power of government in the united states? a. it requires the national government to share power with state governments. b. it ensures that one state cannot make laws that affect all the other states. c. it requires the three branches of the national government to share powers. d. it allows the judicial branch to rule on laws that affect the entire country.

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

An refers to a specific factor that has a range of possible values