Even though the Viet Cong's Tet Offensive of 1968 was ultimately repelled, they can be said to have actually won because
A.
B.
American public opinion began to conclude that the war probably could not be won
America and Its South Vietnamese allies began to disagree fundamentally about future military strategies
so many American planes were shot down, it became almost impossible to conduct further air strikes
the army of the People's Republic of China entered the war in support of the Viet Cong
D

answer: the third option is your answer

explanation:

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.