According to this document why did the united states invade cuba

On April 11, 1898, President William McKinley asked Congress for authorization to end the fighting in Cubabetween the rebels and Spanish forces, and to establish a “stable government” that would “maintain order” and ensure the “peace and tranquility and the security” of Cuban and U.S. citizens on the island.

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c. free trade can lead to low pay for workers in poorer countries.