A.placed contorls on american exports hope this help's
Answer: 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.
Explanation: hope this helped!!!
<span>Posters appealed for volunteers in Massachusetts: "Men of old Essex! Men of Newburyport! Rally around the bold, gallant and lionhearted dishing. He will lead you to victory and to glory!" They promised pay of $7 to $10 a month, and spoke of a federal bounty of $24 and 160 acres of land</span>
