Who was Ely S. Parker? *

Ely Samuel Parker, born Hasanoanda, later known as Donehogawa, was a Tonawanda Seneca U.S. Army officer, attorney, engineer, and tribal diplomat. He was commissioned a lieutenant colonel during the American Civil War, when he served as adjutant and secretary to General Ulysses S. Grant

Explanation:

when in doubt choose c

it's what my teacher told my class when we were going into psats

can someone just answer this