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

Under peter stuyvesant’s rule as governor, the colonists of new netherland

What might be something all americans believe in that unite us as a nation ?

Why was america’s victory at yorktown among the most significant battles of the american revolution? a. it made the british realize they were fighting a lost cause and soon after, they conceded the war. b. it forced colonists who had so far remained neutral to pick a side and enlist in the war. c. it the continental army remove all british barracks from new jersey. d. it secure france’s military and financial aid for the american cause. e.