I'm pretty sure it's D, Mesopotamians
It was President Nixon's alleged abuse of authority in the Vietnam War that led to the War Powers Resolution of 1973, since his had secret bombing missions conducted in Cambodia.
The correct answer is Hernán Cortes.
Hernan Cortes (1485-1547) was a Spanish <em>Conquistador (</em>or conqueror) who led the forces which caused the fall of the Aztec Empire and its capital, the city of Tenochtitlán. The siege and fall of this city took place in 1521, after systematic manipulations of the local forces and due to very valuable informants such as La Malinche. She was an indigenous woman who became the interpreter and companion of Hernan Cortes and revealed crucial information to him.
I think the answer could be B or D?