"Banned in Boston" Referred To

"Banned in Boston" referred to:

A) a book ban in the city, including books by Ernest Hemingway.
B) Prohibition coming to the city and the elimination of all liquor.
C) the crackdown on prostitution and gambling, both perceived to be run by the Irish.
D) the condemnation of Americanization programs, meaning diversity was celebrated in the city.
E) Calvin Coolidge's tenure as governor when he banned all strikes of public service employees.