. Roman armies conquered new territories in Spain, Greece, and Gaul under a policy of .

A. democracy
B. imperialism
C. republicanism
D. dictatorship

Republicanism

The Roman Republic was responsible for the conquering and occupation of these territories. Afterwards the Roman Empire was much much larger its territories included  Italy, Vatican, San Marino, Andorra, Malta, Cyprus, Greece, Macedonia, Serbia and Montenegro, Croatia, Slovenia, Albania, Bulgaria, Spain, Portugal, Liechtenstein, Switzerland, Belgium, France, Monaco , The whole of Luxembourg, most of Austria, Bosnia and Herzegovina, Hungary, Germany, Romania, the United Kingdom, the Netherlands,

Lebanon, Syria, Israel, Palestine, Turkey, most of Jordan

across Tunisia, Egypt, Libya, Morocco.

Spain,Greece and Gaul were more notably conquered during the republic,this should be your answer.

b: to eliminate competition from other farmers