What do these responsibilities have in common? They are responsibilities that apply to the wealthy.
They are responsibilities that apply to all individuals.
They are responsibilities that apply mainly to national leaders.
They are responsibilities that must be obeyed in places of worship.

i think it would be a

he sent troops to protect the students as they entered the school.

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.