Concept of manifest destiny was based on expansionism.
Explanation:
Manifest destiny was started during 19th century in US by John O' Sullivan , he was a journalist by profession. The people believed that the country's main aim was to expand. The main idea behind Manifest destiny is to capture more land that will be beneficial for cultivation purpose mainly the people focused in cotton cultivation and this would spread slavery to these parts as well.
The effect was that it included expansion of westward portion of the United States as well as there was increase in tension regarding political interests between Northern and Southern parts.
Various drawback was there, they are as follows, There was increase in slavery, It is unconstitutional by nature, many people died as well as suffered specially Indians, war and conflicts took place.
<span>Seeking personal freedom or relief from political and religious persecution.</span>
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.
A.
Stealing from the poor and giving to the rich for ages. :)