Sorry I would answer but I need points.
The Rough Riders was a nickname given to the 1st United States Volunteer Cavalry, one of three such regiments raised in 1898 for the Spanish–American War and the only one to see combat
The Pentagon Papers revealed that the Harry S. Truman administration gave military support to France against the Communist led Viet Minh, which directly involved the United States in the Vietnam War.
Explanation:
"Before she led the Union Army nursing corps during the Civil War, New England’s Dorothea Dix led the most ambitious reform efforts for the care of the mentally ill ever attempted in the U.S. Dix argued that a land grant system, similar to the one that created state universities, should be used to create mental hospitals across the country."