Dust, famine, sickness, unfirtile land, native Americans
Answer:
Either the first or 2nd one
Explanation:
Radio shape modernism in the 1920s by making a mass culture. The radio made the music industry prosperous and new music styles were introduced. It also transformed the US into a single national market. Before radio, people had to wait for news such as sports to be published in newspapers.
Trains was the best possible was to transport goods at this time.
<span>Centralized federalism.
Centralized federalism is based on the concept that one central (federal) government develops all policies, and the states/counties/principalities job is to implement and interpret that policy. In this case, states rights do not allow them to decline the federal policies.</span>
