During World War II, how did the policy of internment affect people of Japanese descent in the United States?
They were forced to relocate to assembly centers.
They were forced to relocate to Japan.
They were forced to join the military and fight Japan.
They were forced to work for the US government.

They were forced to relocate to assembly centers

answer:    

a.

explanation:

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: