The answer would be “the igbo women’s war”.
B. A is incorrect because every state received one vote, no matter its size. C is incorrect because not enough power was given to the president; after getting out of that situation with Britain's king, no one wanted another king. D is also incorrect, because every state coined its own money, and attempting to regulate this was a real issue at the time. Hope this helps!
B because it is “pulling” someone away from their home land, making it a pull factor