What was the red scare ? A period when people were afraid of ideas such as communism and Anarchism
A period when many Americans died because of world war 1
A period when Americans feared and distrusted German immigrants

A period when people were afraid of ideas such as communism and Anarchism

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.