Which statement from this passage could be used as evidence to suggest that the Columbian Exchange benefited the Old World much more than the New World?

The statement from this passage could be used as evidence to suggest that the Columbian Exchange benefited the Old World much more than the New World is letter B. Practically all of them will get into a page or two or ten about the decimation of American Indians, or a page about how important maize is when all European crops fail, and things like that.

they are the executive, (president and about 5,000,000 workers) legislative (senate and house of representatives) and judicial (supreme court and lower courts). the president of the united states administers the executive branch of our government.

d) iowa i believe is the answer