Which environmental change played a key role in making human survival easier and bringing about the neolithic age?

Which of the following sets best matches the document to the people and/or ideas that influenced it? a. constitution: federalists, thomas jefferson, patrick henry b. bill of rights: george mason, thomas jefferson, james madison c. federalist papers: federalists, george washington, james madison d. letters from the federal farmer: federalists, richard henry lee, alexander hamilton select the best answer from the choices provided