The fifth alternative is correct (E).
The US has troops to patrol the demilitarized zone between South Korea and the North. According to Reuters news agency, the American military contingent in South Coere is about 28500 military personnel, who play a mediating role in military confrontations not only between the Koreas, but among the countries in the region, such as China and Japan. In this context, the US military position in Seoul is strategic and must remain even if the Koreas sign a peace treaty.
The main impact of the invention of the cotton gin in 1793 was on the ability to process short-staple cotton.
If it during the american revolution when they were being taxed unfairly the phrase is "No taxation without representation".
This group became known as the conservatives in which they had a political thought that advocates the maintenance of traditional social institutions - such as family, local community and religion - as well as customs, traditions, and conventions. Conservatism emphasizes the continuity and stability of institutions, opposing any kind of revolutionary movements and progressive policies.