Answer:
Under the Constitution, the vice president serves as the president of the Senate and presides over the Senate's daily proceedings. In the absence of the vice president, the Senate's president pro tempore (and others designated by them) presides.
Answer
There were 2 sides fighting in the Vietnam War. One of them was the American Armed Forces which fought against the Vietcong forces which were supported by the Soviet Union during the cold war between the United States and Soviet Union.
The most surprising thing for me personally was the set up of the trenches, there is a very good system where the front line is the first to attack or be attacked while the others are there as backups. If someone were to get hurt within the first trench, there are easily accessible routes for the soldiers to take to retreat to safety, on the contrary, if the front lines were in need of any reinforcement whatsoever, there is a clear way to travel for the soldiers to get more ammunition or man power.