Answer:
The Roman regions that were not in Europe were the Middle East territories such as Jerusalem, Jordan and the North Africa region. The Roman Empire extended its territory through conquering many regions west Italy, east Italy -in the Middle East- and Africa.
Explanation:
Supply and Demand is directly linked to Price x Demand.
In Economics, the connection between goods (or services) that are being offered for a certain price and their demand is called Supply Relationship.<u> The Law of Supply states that there is a direct relationship between the prices of products and services and the supply. So, if there is an increase in the price of these goods and services, the supply for those will increase, as well.</u>
The answer is really self explanatory. Rationing food allowed them to get through out the war without having to worry about the amount of food supply they had.