Question

internment camps were also known as
relocation centers.
assembly centers.
military prisons.
exclusion zones.

Explanation:

Internment camps (specifically referring to the WWII-era U.S. camps for Japanese Americans) were officially termed relocation centers. Assembly centers were temporary holding sites, military prisons are for military detainees, and exclusion zones were the areas from which Japanese Americans were removed, not the camps themselves.

Answer:

A. relocation centers.