What was one major effect of the American victory in the revolutionary war?

B.

Explanation:

Because several thousand slaves won their freedom by serving on both sides of the War of Independence. As a result of the Revolution, a surprising number of slaves were manumitted, while thousands of others freed themselves by running away. In Georgia alone, 5000 slaves, a third of the colony's prewar total, escaped.

I had to do some research for this one

Hope i helped.:D

there has only been 12 presidents. the 12th president is/was moon jae-in

answer; i believe that the correct answer is,lies(political rhetoric);