Germany and Japan stroke fear into neighboring nations, concluding war.
Answer: The Magna Carta which gave the government the power to tax!
The variety of information is for example:
archaeological find
primary sources, such as video recordings, sound recordings or testimonies of wittnesses
background and context information
linking dependencies and motivations (for example: what was the motivations for the crusades?)
they collect this information to provide a comprehensive account of the events, but they do take into account that any new information could change how we view something.
Explanation:
878: Woodrow Wilson's Changing View of Senate -- April 12, 1907. ... In 1917, those who filibustered armaments legislation were "a little group of willful men.