Who decides the times places and manner of elections for congress

Legislatures.

Explanation:

A legislature is an assembly that has any authority to make and pass laws of a state and a country. In simple words, a legislature is also considered a lawmaking branch of the government. The term legislature is a combination of two terms 'Legg' that means 'law' and 'lature' means 'place.'

The other function performed by the legislature is the U. S. constitution is to decide the time, place, and manner of the elections.

So, the correct answer is the legislature.