Nelson Mandela denounced the

Nelson Mandela denounced the racist conditions that existed in South Africa , but he did not denounce the class nature of racism, the same thing was done by Martin Luther King, in that aspect Malcolm X was way ahead of him.Malcolm X also indicated that he would  never collaborate with the capitalist state, and Mandela did collaborate with  the capitalist state. In some way Malcolm X was a threat to capitalism, but Mandela was not, that is reason why he has received a big ovation from some capitalist government including the USA