Question

A party ____ is elected for each party in each chamber and is responsible for coordinating the party's legislative strategy, building support for key issues, and counting votes

Answer 1

This is the party whip. This member is responsible for making sure that the party is collectively in support for (or opposition of) a piece of legislation or a nominated position. In addition, they are responsible for making sure the votes are counted correctly and giving updates on the status of such counts.