Answer: Meriwether Lewis, William Clark and Sacagawea.
Explanation:
You will get a better job in the future
He followed the advice of Arius Didymus who told him that "Too many Caesars is not good". (no joke I swear he actually said that) Hope this helps ;)
The President . . . shall have Power to grant Reprieves and Pardons for Offences against the United States, except in Cases of Impeachment." The power to pardon is one of the least limited powers granted to the President in the Constitution.