The correct answer is A. Conquest and War
Step-by-step explanation:
The Roman Empire was one of the most important periods during Ancient Roma. This empire began on the year 27BC and ended approximately in the year 476. During this period the empire expanded and covered territories in Europe, Africa, and even the Middle East, although the center of the empire was Italy and the capital Rome. The process of expansion of the empire began before the during the Roman Republic before the empire was founded and started as all the territory on Italy was conquered mainly through multiple wars against Greeks and the Samnites which were tribes that lived in the south of Italy. After this, many other battles and wars in Africa and the Middle East that were won by the Romans and became part of the empire as they conquered every territory. Considering this, it can be concluded the man the Roman Empire use to grow was mainly conquest and war.