i think the answer is to make laws
They make the laws.
Congress
No direct function within the Federal System. It is possible though that legislation coming from a State's Legislature may be appealed upward through the Federal Court System.
Legislature of Russia is called Federal Assembly.
Congress.
The Congress
The Federal Republic of Germany is a federal multi-party republic with 2 houses of legislature: The Bundestag and the Bundesrat.
i think the answer is to make laws
I think you may mean "statute". A statute is a law passed by a legislature which, itself, is comprised of elected representatives. A legislature can be either federal or state (federal or provincial in Canada).
No, the noun 'legislature' is not a collective noun. However, collective nouns are an informal function of language, any noun can function as a collective noun in a suitable context without being a designated collective noun. For example:a legislature of sages or a legislature of baboons, depending on your point of viewa legislature of bulliesa legislature of puppies
"Congress" was the name of the federal legislature just as it is under the Constitution today.
Legislature executive judiciary