Some whites were horrified at the abandonment of apartheid - Botha didn’t care to win them back so the NP lost their core Afrikaner support (37% of Afrikaners in 1987 didn’t support them)
This led to 1982 when Dr Treurnicht led 18 National MPs out of the party in process to form the conservative
White workers were upset that they didn’t have the job security and small farmers lost their lack labourers to cities
AWB - nazi style extremist far-right group (crudely racist)
Little Significance - NP still has majority not in danger of losing power; many know whites still retained power and only maybe concerned