Answer:He fear it because he thinks they want more power than other groups and to take revenge on.
Explanation:
Oil shale
It was discovered in the region in the 1970s. it spurred economic growth in the neighboring areas of Colorado. however major a discovery it was, the industry declined leading to copper, silver and gold being the most important mineral resource in the Rockies mountain.
Confederate general Robert E. Lee hoped for the destruction of the Union Army and subsequently Lincoln's surrender.
Lee knew he was a superior field commander and had greatly superior team of generals working for him at Gettysburg. He also knew that the greatest part of the Union army was in the North so he wanted to destroy it and then head towards the capital for Lincoln's surrender.
Roosevelt's personality and political philosophy fitted the imperatives far more than they did the fashions of the times, so that the degree to which his behavior in the White House both hastened and shaped the dramatic growth of presidential power over the next seventy-five years must be seriously considered. Temperamentally, Roosevelt craved attention. Once in the White House, especially in view of the changed national and international circumstances, he could not fail to focus national attention on the presidency.