Answers:
1. Agrarian - organized or designed to promote agricultural interests.
2. Fall line - place where rivers descend in falls or rivers from a piedmont to a plain.
3. Piedmont - land at the foot of a mountain.
 4. Artisan - one trained in some mechanic art or trade.
 5. Drainage basin - a land drained by a river and its tributaries.
 6. Growing season - the period between the last killing frost in the spring and the first killing frost in the fall .
 7. Sod - soil filled with the roots of grass, herbs, and so forth .