Who did the Vietnamese defeat in central and southern Vietnam?

The Cham And The Khmer.

Explanation:

roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.

the correct answer is a: slaves from other colonies ran away to georgia.