1) form a more perfect union (more perfect win 2) ensure domestic tranquility 3) provide for the common defense 4) promote the general welfare 5) secure the blessings of liberty to ourselves and our posterity 6) establish justice god bless the USA
Answer:
Marginal revenue is the amount of revenue one could gain from selling one additional unit. Marginal cost is the cost of selling one more unit.
Explanation:
The improvement in agriculture create more agricultural products in larger quantity. This means that the countryside now had the chance to sell the agricultural products to the townspeople. So, we can say that improvement in agriculture affects townspeople by providing them with additional amount of food supply
I would go with answer choice D, as the north had public schooling while the south had more private schools.