Which of the following statements best explains how subways and elevated trains changed urban transportation? They allowed people to travel across the nation more quickly. They made travel more difficult and expensive. They allowed people to live in one area and work in another. A. They allowed more people to travel across the nation more quickly. B. They made travel more difficult and expensive. C. They allowed people to live in one area and work in another. PLEASE ANSWER 100% CORRECTLY AND SMARTLY

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each played a major role in ending the cold war.

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

explanation:

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