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Because of the Canal, the U.S. was able to ship supplies so much faster. The faster a country can ship, the more willing they are to trade. They are willing to trade more because they don't have to spend so much money on fuel. Because they spend less money on fuel, they can carry more supplies.
Also known as “cave of the mountain river”, the cave is said to have been formed due to the passage of water across limestone, which created a channel under the mountains. The entrance to this cave cave was first found in 1991. This was followed by further investigation and exploration by scientists and explorers. However they had to take the help of locals for this discovery and exploration.
It Is True For the first question.
The answer is b because if you use the evidence, you find the answer
this concludes my answer to b thus it's b