An ally (singular) is a noun meaning the cooperation between two countries for a mutual purpose. The plural of ally is allies. Harry Truman was a US President; therefore, he cannot technically be classified as an ally, but when he was alive and in office, he could sign a treaty with Another Country to become an ally with the United States.
Harry S. Truman
Harry S Truman
Allies technically. FDR was in office during most of WW2 but Truman, America's president, came into office during the very end of the war.
Harry S. Truman
Truman in 1951
Harry truman was a liar!:)
No, Harry Truman is not single.
No. Harry Truman has no connection with Harry Potter.
Harry S. Truman
Harry S. Truman
He was born Harry S Truman
Harry Truman is not on money