Answer:
the nationalism grew following with the later Chinese millennium in Vietnam, several attempts against Chinese occupation resulted with many wars that happened throughout thousand years of Chinese rule, after which Vietnam finally regained independence in the 10th century following the
So the country's civil war would technically be the answer, due to many wars against them.
C) From deciphering the writing they left behind
B because I’m going home now and I’m going home and then I can come over and see you and see what I want your dad and
I think Is letter A, I hope is good