The Declaratory Act gave parliament the right to have complete control over the colonies. I quote from the act "in all cases whatsoever" meaning regardless of the situation, Parliament had and reserved the right.
Overproduction of the farm product and manufacture goods was economic factor in 1920 that led to a great depression. These condition was characterized by many people been unemployed and yet there was higher production of farm products and manufactured goods.
15 slave and 15 free states.