Industrial expansion and population growth radically changed the face of the nation's cities.
A.) Chinese communist leaders worked directly to serve rural peasants. Soviet leaders viewed themselves as guides for urban workers.
U.S. participation in NATO was a break with tradition, since the United States for the first time set itself up to automatically get involved in foreign conflicts--something that was very unnerving for a country of people who for most of American's history had been very isolationist.
