Question

Why did the Framers of the U.S. Constitution include a legislative branch in the new government?

Answer 1

C to represent everyone in the country.

Answer 2

I would say that the Framers of the US Constitution included a legislative branch in the new government in order B. to represent all of the people living in the country.
The legislative branch makes laws, so a representative was a sound idea to be there and represent the wishes of the ordinary people.