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>
Mark,john and noah those are three testments
It was done for the protection of the community
<span>Compared to earlier presidents, modern presidents are move involved in economic issues.
Many of the previous presidents were not qualified enough or did not have the inclination or the power to be involved in economic issues or deal with them. However, with the modern technologies and developments in the nowadays world, presidents tend to get involved in economic issues.</span>