As suburbs grew, business moved into the new areas. Large shopping centers containing a great kind of stores changed consumer (56) ______ patterns. The number of these centers rose from eight in the (57) ______ end of World Warn to 3,840 in 1960. With easy parking and convenience evening hours, customers could avoid city shopping (58) ______ entirely. New highways created a better access to the suburbs and (59) ______ its shops. The Highway Act of 1956 provided $ 26,000 million, the largest public work expenditure in US history; to build (60) ______ more than 64,000 kilometers of federal roads to link together all parts of the country. Television, in addition, had a powerful impact in social (61) ______ and economic patterns. Developing in the 1930s, it was not widely (62) ______ marketed until after the war. In 1946 the country had about (63) ______ fewer than 17,000 TV sets. Three years later, consumers were buying 250,000 sets a month, and by 1960 three-quarters of all families owned at least one set. In middle of the decade, the (64) ______ average family watched television four to five hours a day. Americans of all ages grew exposed to increasingly sophisticated (65) ______ advertisements for products said to be necessary for the good life.