D. because none of them explain the true meaning of what you want
Wu Zhao lowered taxes, and increased food production. Also Wu funded public projects and tried to reduce the power of the military in China. Wu also replaced aristocratic military men with scholar-officals.
The Viet Cong is the correct answer
international (foreign) trade imbalances resulted in household debt and of course the U.S. government housing policies.
Don't ask me how I know this lol XD..