Answer:
They reacted negatively to the open displays of sexuality by rock artists such as Elvis Presley and The Beatles.
Explanation:
In simple words, the workers party of Brazil represents the Brazilian left wing and their core essence of politics lies with establishment and follow of Brazilian traditions and customs to make strong their domestic culture.
Brazilian culture, just like majority of the Asian culture, has been conservative towards adult contents on media, thus, the left wing reacted negatively.