For What Reason Was the U

For what reason was the U.S. income tax first introduced?

A) To help finance the Civil War
B) To respond to the dramatic drop in federal revenues as a result of the Great Depression
C) To finance U.S. participation in World War I
D) To reduce the ability of a few industrialists to create economic disadvantage for the majority of citizens
E) To enable the U.S. government to grow in response to competition from foreign countries