What was the effect of the platt amendment? a. it did not grant the united states the right to intervene to preserve order in cubab. it required cuba to lease air force bases to the united statesc. it allowed cuba to sign a treaty with another nation without american approvald. it restricted the rights of the newly independent cubans

D, it restricted rights of the newly independent Cubans.

Explanation:

The United States wanted more control over Caribbean nations to promote democratic ideals and fight Soviet, communist ideals. If Cuba had gained complete independence, it would have close ties to the Soviet Union which the United States despised. Therefore, as soon as they got their independence, the U.S. intervened and set up the Platt Amendment which restricted trading and diplomatic rights to the Cubans.

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whose power in the senate is equal to the power of the speaker of the house?