Answer:
As the ancient Roman population began to grow, there was need to ensure that there was never a food crises that might lead to the populace turning against their leaders.
Inorder to solve the food crises, they Roman government engaged in trades with other countries such as Spain, France, the Middle East and North Africa where materials like beef, corn, glassware, iron, lead, leather, marble, olive oil, perfumes, purple dye, silk, silver, spices, timber, tin and wine are imported.
The Roman government traded with Egypt in Northern part of Africa by importing grains (for making breads) which they sell to the populace at a discounted price (the bread was sold at subsidized price). This is because, it was cheaper to import from Egypt and also, do to an existing relationship they had with the country.
Explanation: