Answer and Explanation:
The main argument put forward by "The War in Vietnam" is that communist forces in South Vietnam found it easy to infiltrate and camouflage themselves as a North Vietnamese to receive appropriate military training. The most convincing evidence that the author presents on this argument is that the northern military training is handled by the elite military force commanded by Hanoi, thus allowing the communist army to strengthen itself easily.
Answer and Explanation.
Demand is the quantity of products and services as desired by the buyers who are the consumers.This is the amount of the products which people are capable and willing to buy at a certain affordable price while supply is the representation of what or how much a market can offer.
When the amount of goods and services which are available in the market increases or decreases, the shift in the supply occurs. Shift in supply is caused or happens whenever the prices change, normally when there is similar production of goods and services by the competitors or when there is change in availability of resources or labor.
5, 6, 7, 4, I believe it’s those