HELP please:) I will give you ten points Also sorry if I spell any of this wrong

Which term is given to the movement of plants, animals, diseases, and people among continents as a result of European exploration?
A. Great migration
B. Free trade
C. Columbian extange
D. New world

Name three adjectives to describe carter based on the campaign messages?

Define what the expropriation without compensation's and what does the freedom charter says about it

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.