Which technological breakthrough of the 1950s revolutionized the way americans kept up with news and world events

c) television

explanation:

the technological breakthrough of the 1950s that revolutionized the way that americans kept up with news and world events was the television. radio and motion pictures had been in use for years, and the internet had not yet been invented in the 50's.

monopolies  came to the united states with the colonial administration. the large-scale public works needed to make the new world hospitable to old world immigrants required large companies to carry them out. these companies were granted exclusive contracts for these works by the colonial administrators. even after the american revolution, many of these colonial holdovers still functioned due to the contracts and land

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