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.
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section B
HeY yOu! I bElEvE tHis Is ThE aNsWeR:
World Trade Organization. (WTO)
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An implicit detail is a hint or seggestion.
C) national and state government