The social class structures and poor harvests.
Answer:
B. Carnegie showed how to organize large-scale production as well as how to use profits in philanthropic activities.
<span>By demanding that a dispute between Venezuela and Great Britain be sent to arbitration, the United States defended the validity of the Monroe Doctrine. (Arbitration is the settlement of a dispute by a person or panel chosen to listen to both sides and come to a decision.) The British government backed down because it needed to stay on friendly terms with the United States.<span>The United States became involved in the Cuban rebellion against Spain, to protect American business interests. </span></span>
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