The significance of the attack on the USS Cole in 2000 was that it changed the rules of engagement for US ships, which can now fire upon approaching vessels without captain approval.
The correct answer to this is Natural Resources. <span>In the mid to late 19th century, natural resources were heavily exploited, especially in the West. Land speculators and developers took over large tracts of forests and grazing land. Acreage important to waterpower was seized by private concerns.
Hope this helps :)</span>
