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64,000 kilometres of federal roads to link together all parts of the country.Television, consequently, had a powerful impact on social6.__________

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and economic patterns. Developing in the 1930s, it was not widely7.__________

marketed until after the war. In 1946 the country had about8.__________

fewer than 17,000 TV sets. Three years later, consumers werebuying 250,000 sets a month, and by 1960 three-quarters of allfamilies owned at least one set. In middle of the decade, the9.__________

average family watched television four to five hours a day.Americans of all ages grew exposed to increasingly sophisticated10._________advertisements for products said to be necessary for the good life.