Who were crazy horse Geronimo and stitting bull?

Crazy Horse, Geronimo, and Sitting Bull were prominent Native American leaders known for their resistance against U.S. expansion into their territories during the 19th century. Crazy Horse was a Lakota warrior renowned for his role in the Battle of Little Bighorn, where he led a successful charge against General Custer. Geronimo was an Apache leader famous for his fierce resistance to U.S. and Mexican military campaigns aimed at subjugating his people. Sitting Bull, also a Lakota chief and spiritual leader, is best known for his leadership during the same battle and his efforts to preserve Native American culture and rights.