EO 11110 and the dismantling of the CIA. Civil Rights he was really just riding the coattails of a groundswell that would have happened regardless.

Executive order 11110 is why they killed him.

Assassinate.

JFK was assassinated whether it was a conspiracy or it was not, but it unequivocally was a conspiracy.

He wanted to pull out of Vietnam entirely if he was re-elected. THAT would have changed things.

1. Banking issues probably more than anything as he was on track, though he probably wouldn't have succeeded before 2. he is assassinated at a later date.