How did the Colombian exchange affect farming in the Americans? A. New crop varieties took the place of traditional crops.
B. Less land was needed to grow food for the population.
C. Food from other lands caused Americans to stop farming.
D. Foreign animals were mixed with native animals to create new breeds.

What effect did john hay’s open door policy letters have on the imperial powers of britain, france, germany, russia, and japan? a. it provoked the imperial powers to declare war on the united states. b. it caused the imperial powers to restrict trade in their trade with china. c. it warned the imperial powers that the united states would soon declare war on china. d. it signaled to those powers that the united states would take a larger role in world affairs than before.

Which document did the second continental congress send to king george iii to reaffirm colonists’ allegiance to him, but not to parliament?

Select 3 oral histories from the section entitled, "oral histories of long walk events", and explain how you would feel if this experience happened to you