Could someone answer all the three questions of the article?

Which sentence from the article BEST develops a central idea?

A. Even before the Civil War, in 1850 a New York company constructed the Panama Railroad, which was the world’s first railway to go from one continent to another.
B. In 1895, Cuban nationalists launched a war against Spain that threatened both the sugar trade and these American businesses.
C. But later, Washington put pressure on Cuba and in 1903, the United States got the rights to the naval base at Guantánamo Bay and U.S. companies had a privileged position in the island’s sugar industry.
D. Washington did not want any countries in Europe to move their forces into the area, so Roosevelt declared his so-called "corollary" that follows along with the ideas in the Monroe Doctrine.


Which statement BEST represents Roosevelt's approach to Cuban and Panamanian politics?

A. Roosevelt supported independence movements in those countries so that the U.S. could gain greater control over business there.
B .Roosevelt believed it was important to keep U.S. support for independence movements in those countries a secret from the rest of the world.
C. Roosevelt thought it was a mistake to get involved in Cuban politics, but later repeated the action in Panama.
D. Roosevelt wanted those countries to gain their independence so they could set up democracies and free trade.


How does the article develop the idea that U.S. businesses exerted a lot of power in Central America and the Caribbean?

A. Through an outline of Theodore Roosevelt's "Dollar Diplomacy"
B. Through a quotation of Theodore Roosevelt's opinions of Cuba
C. Through a report on the United Fruit Company after World War II
D. Through a description of the United Fruit Company's expansion