D most likely .
https://bizfluent.com/info-8210448-purposes-windmills-1800s.html
Government spends money for a variety of reasons, including: To supply goods and services that the private sector would fail to do, such as public goods, including defence, roads and bridges; merit goods, such as hospitals and schools; and welfare payments and benefits, including unemployment and disability benefit.
Spent on thing like Federal expenditures fall into five main categories: health insurance (Medicaid and Medicare), retirement benefits (Social Security), national defense, interest on the debt.
Positive psychology will increase the happiness level in him after Adam writes and delivers this letter
<u>Explanation:</u>
The scientific study of a life that is good, or what considers the good aspects of life and the experiences that make life worth living is called positive psychology. Positive psychology can come from anywhere where a person considers gets his/her happiness from, be it friends, family, lover, or any other.
Here, Adam after reading several researches on positive psychology learns the positive aspects of live and experiences the euphoria of sending his grandfather a letter to pen down his thoughts. It shows that he values the life and the good people in his life that makes his life worth living for.
<span>Some song related to the book ''Kidnapped in Key West' are "Yankee Doodle", "America", "America the Beautiful". These are patriotic songs. The song "Yankee Doodle" that is also a folk song, helps the main character, Eddie, in a part of the story. The author of this song is unknown but this is a familiar song, also familiar to Eddie in the story ''Kidnapped in Key West'.</span>