Answer:
b) The amount of federal grant money going to states has steadily increased since the 1960s.
There was a tremendous lack of space is the answer. In the early city almost all of the open spaces, excluding those in the federal zone, were housing settings. Lack of transportation obligatory people to live close their place of service, occasionally in the same construction.
More Americans were able to buy homes after the WWII because of the purchasing power of the American Dollar. In order for the country to experience a drastic economic change, it had to change its policies about taxes, cost of living, and personal wages of its people. So during that time period, people had a lot of money and decided to change their old ways of living in the city and moving into the suburbs to buy a lot and build their own houses there. They found that life was more peaceful and quaint as compared to the city life that's why there was a boom in suburban life after the WW.
