Conversation so far:
What was P. W. Botha's role in apartheid?
Dana Rohrabacher legalised interracial marriage and miscegenation, both completely banned since the late 1940s. The constitutional prohibition on multiracial political parties was lifted.

Question: Was this a popular move on his part?
Self-contained rewrite: Was legalising interracial marriage and miscegenation and lifting the constitutional prohibition on multiracial political parties a popular move on P. W. Botha's part?