I believe it may be c,because interior monologue is a character's inner thoughts.
A. a statement of purpose
your stating your belifes supported by evidence
B) A complex sentence has to have as many types of punctuation and high quality vocabulary, although the sentence has to be grammatically correct.
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.
the piece advice that ive learned from a parent or guardian,is that i should keep my head up regardless of the situation i am in. And that even if it looks like what ever it is i am doing is a waste of time that eventually it will pay off.