Why Was Territorial Expansion Essential to Jefferson's Vision of an Agrarian

Why was territorial expansion essential to Jefferson's vision of an agrarian republic?

A) Without access to new land, people would be pressured to become wage laborers.
B) Territorial expansion made it possible for every American to become a self-sufficient farmer.
C) Without access to new land, the nation would be faced with overcrowding.
D) Territorial expansion would push the Spanish and French occupiers out of the country.
E) All options are correct.