1,2 and im not sure about 4.
The Tet offensive proved that not only did the Viet Cong have the desire to fight back, but also the ability. It killed many US soldiers and set the war strategies back a bit. This added deeper conflict and dread to American fighters as well as American civilians.
Answer:
Yes
Explanation: All most all of them are based on figurative lavage
If I understand the question correctly, the negative is the "opposite," so here you could write a phrase with the opposite of each word:
The moon sets to the west.