What crimes did Francisco Franco commit?

White terror.

Explanation:

So here is the thing with Francisco Franco, he was the leader of the nationalist Faction that fought in the Spanish civil war and then after winning the civil war went ahead to rule Spain as a dictator. The crimes that are attached to him is popularly known as the white terror which is described by political oppression (raping and executing people inclusive).

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:

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.