Answer:
C because its a change and advancement in technology
B. William Levitt
William Levitt was a real estate developer who was contracted by the government to deal with issue of population expansion after World War II (soldiers were coming back from the war, and the economy was prosperous so families were increasing). The point of the suburbs was to create an egalitarian way of living (and to promote the idea of The American Dream).
By the "Domino Theory". We were mainly supporting Vietnam and other countries in the south who were basically getting bullied by northern communist countries. Our fear was if Vietnamese fell to communism so might other Asain countries.
They regulatory policy protecting the physical safety of factory workers.
It has been vetoed,because the bill went to him at the beginning of the annual session of congress.