How did early civilizations' use of terrace farming affect the environment? A. It created flat areas on steep hills and mountains.
B. It drained nutrients from the soil.
C. It stopped large rivers from flooding.
D. It connected many small rivers for irrigation.

During the world war 2 the united states government detained 11,000 , german-americans and isolated them in camps for the duration of the war. which term refers to this process

Who were the copperheads? a. a native american tribe that rose up during the war b. northern democrats opposed to the war c. ships that ran the union blockade d. an elite force of union soldiers in the west

What is the columbian exchange? o a. the changes that resulted from europeans settling in the new world b. the relationships that columbus and his men had with the natives they met o c. the ships that columbus bought with money from the king and queen of spain o d. the increase in the number of native american towns in the new world