Pearl Harbor was on December 7th 1941
This was a surprise attack by the Japanese effort at Pearl Harbor, Hawaii. This would drive the US out of isolation, making them join the war.
This also led to the bombings of Hiroshima and Nagasaki
It can change everything from the fact that if a human moves there then he will want a house, so what will he do? Build a house therefore cutting down trees and changing the habitat.
The First and Second Estates, comprised almost unanimously of the nobility, could always outvote the Third Estate. Since 1614, the economic power of the Third Estate had increased dramatically; in 1788, the popular call was to double the number of representatives from the Third Estate so that they'd have equal voting power in comparison with the other two estates. They wanted equal rights to vote and have representation in their government.
The declaration of independence which officially broke all political ties between the American colonies and great Britain, set fourth the ideas and government, and the constitution outlined how this government would function .
Hope this helped