7. Which of the following statements best describes a major impact of the Columbian
Exchange on Europe?
a) Immigration from the Western Hemisphere significantly altered the ethnic makeup of
Europe.
b) New draft animals from the Western Hemisphere greatly increased the productivity of
European farmers.
c) New food crops from the Western Hemisphere promoted longer life spans in Europe.
d) New diseases from the Western Hemisphere killed close to 90 percent of Europe's pre-
Columbian population,

rosevelt. 1973. "slaves everywhere"

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

hope this !

brainliest?

it maybe, we dont know. however lucky the lipercon seams guilty

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.