Answer:
By helping them in fighting war
1. They concluded that no technical demonstration over a deserted island would likely bring an end to the war. It should be used against a target without warning to show its devastating strength.
2. Because it would help aid with the end of the war.
Fossils are the remains of living things, artifacts are remains of things that were made
C)<span>Cities were the cheapest places to live and offered unskilled laborers steady jobs.
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The US thought they could wear down the Vietcong with high casualties but the Vietcong saw the battle as a fight for their lives so they didn't wear down easily. Hope this helps!