Asap which of the following required communist organizations to register with the american government during the red scare? a. mccarthy act c. huac b. mccarran act d. blacklist act

The answer is HUAC my guy.

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:

syria

tens of thousands of people were killed in as it’s longtime leader attempted to stay in power.