2) Some major Innovations: ● Radio and motion picture ● Assembly line methods used by Ford ● Cheap, readily available energy sources (coal, oil) made expansion affordable ● national magazines ● Destruction of European economies during World War I left the U.S. as the only major industrial nation ● Technology allowed for expansion, particularly in the auto industry ● Fundamentalist Christians, stressing literal biblical interpretation, opposed any scientific teaching that cast doubt on veracity of…
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