Why was the addition of land important to Thomas Jefferson's plan for the U. S. economy?

This was called Westward expansion. It provided land for agriculture. this was important because he wanted America to be all agriculture and less factories. It doubled the size of America as well as gave us control of the Port of New Orleans  

well first we can compare on what the slave masters ate and what the slaves ate well the masters ate fancy great food like chicken rice mash potatose and stuff like that and slaves ate well food that your not suppost to eat like the weird parts of turkey and chicken and slaves master chilled beat and eat and slaves work get beat and get little of sleep there you go