In the Warfare That Raged Between the Indians and the American

In the warfare that raged between the Indians and the American military after the Civil War, the

A) Indians were never as well armed as the soldiers.
B) American cavalry quickly learned how to defeat the Indians.
C) Indians' superb horsemanship often defeated U.S. soldiers.
D) Americans' Civil War experience gave them a great advantage.
E) Indians were careful not to attack whites unless they had to.