He lost power after sending a letter to the President threatening to take action against Valentine McGillycuddy.  He befriended Yale paleontologist Othniel Marsh, whose outrage over the treatment of this man's people led to the resignation of Secretary of the Interior Christopher Delano.  His best-known venture was a response to the work of Henry Carrington, and included such episodes as the Wagon Box fight and the Fetterman massacre.  That venture ended when he compelled the forts on the Powder River to be abandoned, after which he signed the Treaty of Fort Laramie in 1868.  FTP, name this leader of the Oglala Sioux who was the only Native American to win a significant war against the Unite
He lost power after sending a letter to the President threatening to take action against Valentine McGillycuddy.  He befriended Yale paleontologist Othniel Marsh, whose outrage over the treatment of this man's people led to the resignation of Secretary of the Interior Christopher Delano.  His best-known venture was a response to the work of Henry Carrington, and included such episodes as the Wagon Box fight and the Fetterman massacre.  That venture ended when he compelled the forts on the Powder River to be abandoned, after which he signed the Treaty of Fort Laramie in 1868.  FTP, name this leader of the Oglala Sioux who was the only Native American to win a significant war against the United States.
He lost power after sending a letter to the President threatening to take action against Valentine McGillycuddy.  
Red Cloud (or Makhpyla-luta)