An important result of the Civil War was that:

Choose the best answer from the options below:
A It established the equality of African Americans in the South
B It helped make industry rather than agriculture the basis of the American economy
C It improved diplomatic relations with England
D It did not change the pattern of land ownership in the south

B It helped make industry rather than agriculture the basis of the American economy

The best answer is B. It helped make industry rather than agriculture the basis of the American economy.