(Solved): 12 Miltiple Choice 5 points The great economic boom of the 1920s rested chiefly onc The development ...

12 Miltiple Choice 5 points The great economic boom of the 1920s rested chiefly onc The development of new industries like automobiles, radio, and synthetic fibers (rayon). High incomes among farmers, who could purchase the output of American factories. All of the others. Rapid growth of foreien trade, particularly with Europe.