Why were relations between Russia and the United States tense in Berlin in 1961? The Berlin Wall had created new restrictions on movement.
Germans had banned Western influence in East Berlin.
US ambassadors were refusing to cross the border.
Khrushchev and Kennedy had held a failed peace conference.

ccp would be the answer : )

explanation:

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.

the anwser is missions