Arms race hope that helped
Option A is the answer. The stono rebellion was the only successful slave revolt of the colonial era.
Stono rebellion was important because it changed the face of slavery in Carolina, and had effects for other colonies as well. It was the largest slave uprising in the British colonies, with 25 white people and 40 to 50 black people being killed.
The reason for this was that after World War II, America enjoyed a huge growth in its economy. Industrialization was the main focus and people now had more money due to the economic prosperity that they enjoyed an increase in income economic opportunities grew where people benefited after the war.