In the fourth and fifth centuries, the Roman Empire was under pressure as a result of which external event? a. The eruption of Mt. Vesuvius
b. Rising ocean levels as global temperatures cooled
c. Movement of tribal groups across the Rhine and Danube Rivers
d. All of the above

i don't think it's c or d. i think it's either a or b.

hope this .

the corporations allowed investment without risk of personal property, fueling the growth of new businesses.

capitalism is an economic system that works around the concept of wealth creation in the pursuit of economic growth for the nation while mercantilism focuses on wealth accumulation through extraction of wealth which they believe is measured by the amwount of gold bollions that the nation has in its possession.