To which of the following human rights conventions is the US NOT obligated?

The United States is not obligated to the Convention on the Rights of the Child (CRC). Although it signed the treaty in 1995, the U.S. Senate has never ratified it, making the country one of the few that has not formally committed to its provisions. Other conventions, such as the International Covenant on Civil and Political Rights (ICCPR) and the Convention on the Elimination of All Forms of Discrimination Against Women (CEDAW), have been ratified by the U.S.