What technique does a historian use when organizing events, beliefs, and individuals into past, present, and future categories? i need a 4 letter word for the arrangement of events into the past, present, and future

Was the battle of iwo jima over after us troops raised the flag on mt. suribachi?

Before world war 1 started, austria-hungry was wary of (spain or serbia) because of border disputes

Which of these was one of the most important aspects of washington's presidency a. he did not consider how his actions would affect later presidents b. he came to believe that political parties would be good for the country. c. he insisted that congress make specific rules about the duties of the president d. he did not take advantage of the opportunity to keep the power the country offered him.