Answer:
Main points are: In the early 1970s, the U.S. began to retreat troops from Vietnam, "lessened" their direct involvement, simultaneously negotiating a "peace deal" that the U.S. proceeded to violate heavily as a last attempt to win the war before giving in and officially signing it in 1973, finally ending the unwinnable war.
Explanation:
I somehow cannot post the whole explanation + brief timeline part here, so DM me if you'd want that part.
Answer:
B. To encourage citizens to mantain peace and unity
Explanation:
In general terms, for Abraham Lincoln it was inconstitutional for the Conferedate states to secede, and he promised to strenghten the power of the law in all the states. On the other hand, for Davis the Confederate states were a new nation and promised their government and slaves protection.
Even though their inaugural addresses were different and both candidates had different points of view about the future of the nation, Jefferson David and Abraham Lincoln were in the look for peace and unity, something which eventually would fail and end in the outbreak of the Civil War.
D. It makes april seem to the speaker like a mindless person to emphasize the contradictions of the month