What were the social context like in the Progressive Era (1890 - 1920)?
A. Children 8 and 10 years old working at heavy machinery for 12 hours a day
B. A higher crime rate than at any time until the 1970
C. Ku Klux Klan campaign against Catholics, with crosses burning on church lawns
D. Starving immigrants arriving the ports
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Jazz was an American invention. Choose the right features of Jazz music:
A. Emerged from the black communities of the North American
B. White musicians blended it with European musical traditions to create the big-band sound
C. Help the spread of non-mainstream music
D. Jazz was considered as national art
Who were the representative figures of "Radio Hackers"?
A. Hugo Gernsback
B. Guglielmo Marconi
C. Hiram Percy Maxim
D. Lee De Forest
Choose the right desciptions of China's State Adminstration of Press, Publication, Radio, Film and Television (SAPPRFT):
An executive branch under the State Council
B. The administration and supervision of state-owned enterprises engaged in the television, radio, and film industries
C. Limit the number of reality television programs and of historical dramas
D. Issue several regulations about online visual-audio content
In 1919, GE founded a subdivision titled the Radio Corporation of America (RCA). Businesses were divided among the following companies:
AT&T
B. GE
C. Westinghouse
D. RCA
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