Answer:
a federal pardon
Explanation:
A federal pardon in the United States is the action of the President of the United States that completely sets aside the punishment for a federal crime. ... Under the Constitution, the president's clemency power extends to federal criminal offenses.
The interesting this about the people oft he Ancient Indus Valley is that the people seem to have just disappeared, and historians and archeologists cannot figure out what happened.
I am rooting for either B or C.
The Hittites invented iron (rather than bronze) for making weapons and tools. The use of Iron (which is lighter than bronze) also allowed then to develop lighter chariots, another reason for their military successes.