For what accomplishments is Henry Flipper remembered today? A. He was the first African American graduate from West Point, and his Flipper Ditch was an engineering marvel that eliminated the presence of malaria-carrying mosquitoes from the area. B. He was the first African American superintendent of a national park, and he helped found the park ranger system. C. He was the first African American soldier to learn to read and write, and his novel Tales of a Buffalo Soldier was a huge success. D. He was the African American soldier who singlehandedly defeated the Apache nation, and he became the first African American general in the U. S. military.