What had the nazis, japanese, and other axis nations done that justified fighting a world war?

Well the Nazis(mostly Hitler) wanted control of the whole world. And basically started blowing up other countries so England, France and a bunch of other countries started fighting back. Now the USA didn't want to join the war, but the Japanese came and blew up pearl harbour. They got real mad and retaliated. In war everyone obviously thinks there in the right but people will go to extreme lengths to do what they think is right in their eyes

i think it would be reparing roads  

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: