# data[].attributes.body
The Great Migration was one of the largest movements of people in United States history. Approximately six million Black people moved from the American South to Northern, Midwestern, and Western states roughly from the 1910s until the 1970s. The driving force behind the mass movement was to escape racial violence, pursue economic and educational opportunities, and obtain freedom from the oppression of Jim Crow

# data[].attributes.body
The Jazz Singer, American musical film, released in 1927, that was the first feature-length movie with synchronized dialogue. It marked the ascendancy of “talkies” and the end of the silent-film era

# data[].attributes.body
From that moment Senator McCarthy became a tireless crusader against Communism in the early 1950s, a period that has been commonly referred to as the "Red Scare." As chairman of the Senate Permanent Investigation Subcommittee, Senator McCarthy conducted hearings on communist subversion in America and investigated alleged communist infiltration of the Armed Forces

# data[].attributes.body
The United States government banned non-government radios during World War I, but after military restrictions were relaxed following the war, many experimental radio stations went on the air. An experimental station was established at the University of Wisconsin in 1915, and another began at Pittsburgh in 1916. The first commercial radio station was KDKA in Pittsburgh, which went on the air on November 2, 1920, broadcasting the returns of the Harding-Cox presidential election.

# data[].attributes.body
In the 1920s sports became affordable for the common man and became a half-time thing. The 1920s has been called the Golden Age of American Sports. The United States had a strong economy for most of that decade. Many workers had more leisure time. New and bigger stadiums and gymnasiums were built. Newspapers increased their coverage of sports.  Improvements in roads made it possible for fans to travel to athletic events in distant cities