Helms Burton Act of 1996. Thomas, Library of Congress – “(9) The United States has shown a deep commitment, and considers it a moral obligation, to promote and protect human rights and fundamental freedoms as expressed in the Charter of the United Nations and in the Universal Declaration of Human Rights.
[…] SEC. 101. STATEMENT OF POLICY. It is the sense of the Congress that–
(1) the acts of the Castro government, including its massive, systematic, and extraordinary violations of human rights, are a threat to international peace;
(2) the President should advocate, and should instruct the United States Permanent Representative to the United Nations to propose and seek within the Security Council, a mandatory international embargo against the totalitarian Cuban Government pursuant to chapter VII of the Charter of the United Nations, employing efforts similar to consultations conducted by United States representatives with respect to Haiti;”