Original sentence: Chief among its efforts were the recognition of Christmas in seasonal print advertisements; the criminalization of public displays of homosexuality; lobbying against same-sex marriage, and in opposition of equal-rights and hate-crime legislation that would benefit homosexuals and advocating censorship of print and electronic media
Edited sentence: Chief among its efforts were the recognition of Christmas in seasonal print advertisements; the criminalization of homosexuality; lobbying against same-sex marriage, and in opposition of equal-rights and hate-crime legislation that would benefit homosexuals and advocating censorship of print and electronic media