Answer:
The web gives you instructions on how to plant!
A microhistorian might document one day in a town that experienced particularly high unemployment levels, while a comparative historian might graph unemployment levels in several cities throughout the Great Depression
To avoid another German attack on the Russians, to create a buffer zone between the soviet union and the west, and to supply materials in order to rebuild the soviet economy
The United States involvement in the recent events in Rwanda can best be described as intervention. Involvement at all rules out isolation and diplomacy exists as synonymous to international affairs. The actions wouldn't be imperialistic because the US isn't trying to take control of Rwandan affairs thus it must be intervention - a direct involvement in an effort to allow the nation to conduct its own affairs.