From which locations in the empire did Rome import grain to feed its citizens

/~\ The correct answer is:

Egypt became the main source of supply of grain for Rome.

I hope this helps! /~\

The Roman legions' staple ration of food was wheat. In the 4th century, most legionaries ate as well as anyone in Rome. They were supplied with rations of bread and vegetables along with meats such as beef, mutton, or pork. Rations also depended on where the legions were stationed or were campaigning.

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.