What form of public entertainment became very popular in the 1920s? * a. Radio
b. Baseball
c. Movies
d. All the above

D. All of the Above

Explanation: The Roaring 20s was one of the best decades in history. People in America found radio, baseball, and movies very entertaining at the time.

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interest groups send representatives to state capitals and to washington, d.c. to put pressure on members of congress and other policymakers. they engage in lobbying, or the organized process of influencing legislation or policy. lobbying can take many forms. interest groups can testify in congressional hearings.