In the 1850s, John Brown raided Harper's Ferry in order to
A. free slaves
B. get weapons
C. kill the president

I think is A.

Explanation:

As a response to the 1850 Fugitive Slave Act Brown founded the League of Gileadites, a militant group to prevent the capture of fugitive slaves. The Harper’s Ferry raid His radicalization led him to a plan to recruit an army of 50 to 100 guerrilla fighters to attack slaveholders in Virginia and Maryland.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.

agriculture revolution