Final answer:
Julius Caesar won popularity among the Roman people for his successful military campaigns in Gaul.
Step-by-step explanation:
Julius Caesar won popularity among the Roman people for his successful military campaigns in Gaul.
From 58 to 50 BCE, Caesar waged a brutal war against the Celts of Gaul. He conquered many tribes and towns, killed and enslaved millions of people, and even invaded England, establishing a lasting Roman territory there. Caesar's victories in Gaul made him famous and powerful, leading to his eventual downfall.