The causes of the Economic Boom of the 1920s were the Republican government's policies of Isolationism and Protectionism, the Mellon Plan, the Assembly line and the mass production of consumer goods such as the Ford Model T Automobile and luxury labor saving devices and access to easy credit on installment plans.
Hi there!
The cotton gin changed the agriculture of the South.
Brady
The Mayflower Compact was the first form of self government and separation from England.
I might be wrong but i think its A
