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

Hin t in the section titled, "what can be done? " of "battling the digital jolly roger," what is one of the problems caused by piracy that the author lists? he section titled, "what can be done? " of "battling the digital jolly roger," what is one of the problems caused by piracy that the author lists? ow does the writer's point of view in "the completely free market" affect the credibility of the article? a. it's written in the third person, which allows the author to examine all sides of the debate. b. since it's written in the first person, it doesn't objectively present all sides of the argument. c. since it's written in the second person, it puts the reader in the writer's position, and gives the reader more to consider from this perspective. d. it's written in the first person, but is conducted as an interview with several different sources, providing a full-circle debate.