What was the XYZ affair and how did it affect American public opinion?

Answer 1

The French officials, later identified by President Adams as merely "X, Y, and Z," made three insulting demands. First, the American government must apologize publicly to France for remarks made by President Adams in a speech to Congress, Second, the United States must grant a loan to France. Third, the American envoys must pay a bribe of $250,000 to the French Directory.

When news of this insult reached America, many Americans demanded war. Rallying around the slogan "Millions for defense, but not one cent for tribute," Americans began war preparations. In 1798 the government created the Navy Department. Warships were built and harbors were fortified. The government also strengthened the army and recalled former President Washington to assume chief command. Although was was not officially declared, a state of war actually existed. Within a few months American warships captured more than 80 vessels flying the French flag.

Answer 2

I don't really think it affected his term in office.. He just had to think quickly to not go to war with France.