Answer:
cloture - The only procedure by which the Senate can vote to place a time limit on consideration of a bill or other matter, and thereby overcome a filibuster.
Explanation:
Ooo, history! I got this one :D
The stamp act was what required a tax to be paid if you exchanged documents. The act was made by the congress, and it allowed those who paid their tax to have a stamp on their document!
D. To research its historical background and original purpose
This gives you the information and reason behind the work and explains where it comes from
Depending on what you mean by special forces. You mean like the Air Force or the Military?