President Andrew Johnson was the first president to be impeached.
Because Jefferson was one of the figureheads of an independent america and the fact that he was the second vice president it was an obvious choose for most people. Jefferson being a member of the democratic republican party took the floor from former president who was a Federalist.
Also if this was for e2020 someone will answer with the sample answer
Russia attacks the ottoman Empire to try and gain access to the sea. France and Britain side against Russia. ... Austria now has no allies in Europe.
Hudson was the only one that did not start a settlement in North America