Washington served as a general and commander-in-chief of the colonial armies during the American Revolution, and later became the first president of the United States, serving from 1789 to 1797. He died on December 14, 1799, in Mount Vernon, Virginia
To be honest i read an article and it said that nobody knows how but as i read on it said that he help framed to constitution which made others feel as if he was a good leader and was a commander of the revolutionary war.
Settlers encouraged assimilation because they didnt want to just force them off of their land they wanted to have alternate ideas and it didnt really work although some did assimilate.
Groups like the KKK and the White League were afraid of different ethnic groups like African Americans getting equal treatment from white people. Hope this helped :)