Why was Wounded Knee, South Dakota, an important place for American Indians?

Wounded Knee was the site of the 1890 massacre, when U.S. troops killed many Lakota people. The event became a symbol of violence against American Indians and the loss of their lands and way of life. Therefore, the correct choice is that it was the site of a massacre by U.S. troops in 1890.

AI-written and checked against the verified answer.