A is wrong, as if you check, John Adams' presidency was from 1797 to 1801--only a single four year term.
B is true. Since George Washington made the Proclomation of Neutrality before him, John Adams ended up having to uphold it. There's a famous debacle called the <em>XYZ </em><em>Affair</em> where US diplomats were stopped from talking to the French foreign minister by his agents unless they paid a hefty bribe. (whose names were replaced with X, Y, and Z when Adams released the documents so as to avoid involvement in French wars)
C is wrong. John Adams' wife, Abigail Adams, had been married to Adams for over thirty <em>years</em> before he took office.
D <em />is wrong. The Louisiana Purchase was in 1803, during which the third president, Thomas Jefferson, was in office.
Helping the poor is an important duty for the affluent and the government as well. There are several reasons why the poor should be helped by private citizens, such as out of philanthropic course. For government,the welfare of its citizens rests on its shoulder in the promise that it would champion the well being of all members.
Improved income and mobility resulted in many things, and most of these answers are related to one another, but the best single option would be "<span>c. the development of suburbs."</span>