President Richard Nixon did all of these things except be impeached. Instead, as a result of the Watergate scandal, he resigned while still in office. Many think he would have been impeached had he remained in office.
Went in to the war and dropped an atomic bomb on Hiroshima
They cleared the pathways with axes and made markings for the warriors to follow
The program that was created as a part of the "Great Society", provides hospital insurance for Americans age 65 or older is Medicare.