Answer: d)
Explanation:
They have improved their economy by improving agriculture and because of it, they grew financially. By improved agriculture, we are considering a good quality of the crops which is rice (the most important) in Vietnam and it is growing around in the Red and Mekong river.
Other crops are corn, nuts, sweet potatoes and more. With the good quality of food, more people will want to buy them and that is where the economy rise starts.
<span>According to the
Constitution of United States, the delegated powers of a federal government are
superior to the state laws in case when there is a clash between the two i.e.
State and Federal. However the states in their own frame can have the laws
which at no point contradict with the supreme Law of United States.</span>
Xamples of fine works in marble, diorite, hammered gold, and lapis lazuliahve been found. Stone, wood, and metal was imported.Sumerian art<span> and architecture was ornate and complex - primarily</span>used<span> for religious purposes - painting and sculpture the main median </span>used<span>.</span>