Balboa: what was the columbian exchange?

Columbian exchange was the transfer of animals, plants, cultures, ideas, and people between America and "the old world" (Europe, Asia, and Africa), during the 15th and 16th centuries in the colonization process.

evaluate the extent to which the seven years' war (french and indian war, 1754–1763) marked a turning point in american relations with great britain, analyzing what changed and what stayed the same from the period before the war to the period after it.

d is the answer. leo should include the source.