What was the significance of the battle of wounded knee

Wounded Knee, located on the Pine Ridge Indian Reservation in southwestern South Dakota,was the site of two conflicts between North American Indians and representatives of the U.S. government. An 1890 massacre left some 15 0Native Americans dead, in what was the final clash between federal troops and the Sioux.

The correct answer is d

The answer would be d) divisions of labor or the fourth option.