Answer:
A The Americans built the Suez Canal.
There was an estimated 6 million cars on the road in 1930.
Answer:
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Explanation:
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The fur trade became a lasting source of profit.
The answer is B. The mantle causes the tectonic plates that make up the crust to move through convection, the molten rock of the mantle rotating and pushing the plates apart, together, or side by side.