The sioux indian attacks on stagecoach lines.
<span>The causes of the Sand Creek massacre
were rooted in the long conflict for control of the Great Plains of
eastern Colorado. The Fort Laramie Treaty of 1851 guaranteed ownership
of the area north of the Arkansas River to the Nebraska border to the
Cheyenne and Arapahoe -that part was sighted off history.com- </span>
It was "Russia" that was the last to industrialize, since while most of nations were going through the industrialization process, Russia was in the middle of various uprisings that eventually led to the Civil War of 1917.
D - establishing post offices would be a implied power of Congress
Generally speaking, both the Enlightenment and American Revolution changed the way people viewed their relationship to their rulers in that they began to question the ultimate power and supremacy of a monarch, simply because he or she was born into the position.