It hard to answer this question without more information,but off the top of my head I would say capitalism?
A complete verb includes the main verb and all of the helping verbs. The helping verb in this sentence is "has," and the main verb is "mailed." "Not" is never considered a verb. Therefore, the complete verb is "has mailed"
Answer:
Julius Caesar was a leader of ancient Rome who significantly transformed what became known as the Roman Empire by greatly expanding its geographic reach and establishing its imperial system.
Explanation:
mark me as brainliest pls :)