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.
Answer:B. That the interests of white Americans are more important than the
interests of minorities
Explanation:
I rlly have know idea but try a or d
Thats not true we are mostly a consumer country