What was the sherman anti-trust act, passed in 1890, a failed attempt to limit?

The Sherman Antitrust Act was the first United States Federal statute to limit cartels and monopolies. It falls under antitrust law.

Hope this helps

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.