This began when the Senate and House of Representatives presented Ronald Reagan with the Comprehensive Anti-Apartheid Act of 1986 which had been introduced by Congressman Ronald Dellums, supported by the members of the Congressional Black Caucus in the House, and piloted through the House by Congressman Howard Wolpe, chairman of the House Africa Subcommittee. Ronald Reagan responded by using his veto, but surprisingly and, in testament to the strength of the anti-Apartheid movement, the Republican controlled Senate overrode his veto. Knight gives this description the act: