D) All of these are examples of government corruption
Corporations charged them money for access to water.
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.
New technologies like steam engines, railroads, and telegraphs which made communication and transporting goods and materials across the country with ease turned many local businesses into national companies.