The first full-time, dedicated city police department in the United States was established in Boston in 1838. Today, more than 420,000 officers in more than 18,000 U.S. police departments deal with about 8.25 million crimes and make over 10 million arrests a year.
I think it's d because an example of breach of warranty is: A salesman tells you that a washing machine makes no noise, but when you buy it, you find that it makes a lot of noise.