You have experienced stress, and your nervous about how it is going to go. But the best thing for you to do is take a deep breathe and don't worry about it because you know you will do great. <span />
I believe the answer is: A. De-escalation
At that time, the united states troops was losing on the battle of vietnam. The majority of united states citizens who originally supported the war started to voice up their concern and demanded the government to end the war. So Nixon created de-escalation policy to gradually pull united states troops from Vietnam.
Answer:
The major difference between these two systems is that in a Presidential system, the President is directly voted upon by the people. He is answerable to the voters rather than the legislature. While in a parliamentary system, the legislature holds supreme power.
Explanation: