Complex sentence: In 1989, AFA boycotted WaldenBooks to persuade Walden Books from selling Playboy and Penthouse magazines and as a result, WaldenBooks launched an advertisement campaign against censorship, asserting First Amendment rights.
Split into simpler sentences: In 1989, the AFA boycotted WaldenBooks to persuade Walden Books to stop selling Playboy and Penthouse magazines. As a result, WaldenBooks launched an advertisement campaign against censorship, asserting First Amendment rights.