<Li> Attacks in other frontline states: including Botswana and Zambia, condemned in Security Council resolutions . </Li> <Li> Targeting of exiled ANC leaders abroad: Joe Slovo's wife Ruth First was killed by a parcel bomb in Maputo, and' death squads' of the Civil Co-operation Bureau and the Directorate of Military Intelligence attempted to carry out assassinations on ANC targets in Brussels, Paris and Stockholm, as well as burglaries and bombings in London . </Li> <P> In 1984, Mozambican president Samora Machel signed the Nkomati Accord with South Africa's president P.W. Botha, in an attempt to rebuild Mozambique's economy . South Africa agreed to cease supporting anti-government forces, while the MK was prohibited from operating in Mozambique . This was an awful setback for the ANC . </P> <P> In 1986 President Machel himself was killed in an air crash in mountainous terrain near the South African border after returning from a meeting in Zambia . South Africa was accused of continuing its aid to RENAMO and having caused the crash using a new advanced electronic beacon capable of luring aircraft into crashing . This was never proven and is still a subject of great controversy . The South African Margo Commission found that the crash was an accident while a Soviet delegation issued a minority report implicating South Africa . </P>

How aparthied affected international trade in south africa