The main purpose of the Anti-Saloon League in the early 1900s was

A to educate the public about the social ills of alcohol.

B to close down bars and saloons in the West only.

C to pass a constitutional amendment outlawing alcohol.

D to lobby Congress for legislation that would outlaw bars.

third option ... C

The correct answer is C to pass a constitutional amendment outlawing alcohol.

They did manage to pass it because they became one of the most powerful organizations when it came to prohibition lobbying. They managed to pass it and that's when the prohibition began in the first half of the 20th century. It didn't last very long and the constitution was changed to revert it back to normal.