The Battle of Gettysburg was pretty much when people realized the South was going to lose.
The supreme court requested that Richard Nixon hands over the tapes that he had. If they had them, they could then see what he's done and how corrupt he was so he decided to resign before being impeached. That's why he's not on the short list of presidents who were almost impeached, the other two being Clinton and Jackson, both of whom were acquitted of charges.
Answer:
No, instead they were simply put aside. When he invaded Poland,however the Allies finally took notice.
The primary issue that created tension between FDR and southern democrats was that many of FDR's policies were spending tax money on poor black people, which many racist people in the South opposed.