Answer:
D) the safety of the mining industry improved as the 1900's progressed.
Explanation:
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The Articles of Confederation were essentially an early version of the US Constitution that were created as a governing agreement among the 13 original colonies/states to fight the Revolution and establish some limited federal power.
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The CORRECT ANSWER is a they needed more slaves
The United States of America often sent troops to the nations of Latin American and often became involved in the debt problems of Latin America as a result of the Roosevelt Corollary.
The Roosevelt Corollary was an extension of a previous idea to the doctrine of Monroe. On the one hand, the main idea of Monroe's doctrine was to prevent European's intervention in the Western Hemisphere, on the other hand, Roosevelt corollary was practiced to explain America's invention throughout the Hemisphere. President Roosevelt issued his Corollary to ensure financial strength and to keep other powers outside the Hemisphere. This Corollary stated that all the debts of the Latin American countries would be pay off by the United States of America.