The Answer is A because if you read the book and turn to page 20 it tlaks about it
Answer:
yes
Explanation:
people were going into Kansas to try to make a decision and make everyone else change their views, but then everyone wanted control, so violence erupted. Then John Brown led anti-slave fighters into Kansas.
General John J. Pershing led a US army into Mexico, on the mission to capture Pancho Villa, who murdered several US citizens.
hope this helps