which of the following caused a split in the women's suffrage campaign?

Question

a. Alice Paul's aggressive strategy
b. Carrie Chapman Catt's "Winning Plan"
c. the decision to press for a constitutional amendment
d. World War I

no idea, pleease help!

Answer 1

http://www.anb.org/articles/15/15-00537.html

Answer 2

so its A

Answer 3

Yes.