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Which two sets of political ideas speed as a result of the worldwide depression of the 1930s

Which of these marketing methods henry ford sell the model t to many people who had never before owned a car? a) offering free maintenance on cars for a full year b) airing television commercials with memorable slogans c) advertising with the new communication outlets such as radio d) offering many different colors and models for buyers to choose from

What event did not contribute to the start of ww11