21. According to the data in this chart, which two food plants were introduced to the Americas as part of the Columbian Exchange?

A. Corn and squash

B. Tobacco and coffee

C. Horses and rice

D. Oats and wheat

If anyone has done this test or knows this answer please help, I attached a photo

profound political, administrative, and social changes in the british isles.

male citizens in athens could vote on all the decisions that affected the city and serve on juries. however, democracy was not open to everyone. citizen women and children were not allowed to vote. slaves and foreigners living in athens (known as metics) were banned from participating in government.

we pointed them north: recollections of a cowpuncher by e.c. “teddy blue” abbott tells us of the history of nomad cowboys in north america. as the   frontiers began moving west, trails of cowboys of the 1870s and ’80s drove herds of cattle from texas to the northern ranges and railheads, and then rode back south to do it again. they gradually pushed   native americans out of their lands, until in 1889 the   government transferred white   colonists the indian land.