Legislature is the introduction of new laws or changing of old ones through the process of voting. A parliament in a country usually presents a new law or how an old one should be changed and then they vote on it. This is the legislative process and the laws themselves are the legislature. Legislation can't be changed by any other group.
I think it is let no one hear.
Answer:
To prevent unfair cooperation among companies.
It outlawed trusts and regulated competition between companies and enterprises.