Seventy-six other countries subsequently signed on, but a number of nations, including western democracies, have neither signed nor ratified the ICSPCA, including Canada, France, Germany, Israel, Italy, the Netherlands, the United Kingdom, Australia, New Zealand and the United States. In explanation of the US vote against the convention, Ambassador
Clarence Clyde Ferguson Jr. said: "[W]e cannot...accept that apartheid can in this manner be made a crime against humanity. Crimes against humanity are so grave in nature that they must be meticulously elaborated and strictly construed under existing international law..."