D. The region lies on the border of two tectonic plates
The massacre at Wounded Knee in 1890 occurred in response to "<span>d. the discovery of gold at Pike’s Peak" since this was the main reason why settlers were there, although this was not exactly a "response". </span>
Answer:
He created a trust that controlled ninety percent of the nations oil refineries. He purchased coal plants around the country to add to his business
