Barack Obama will open a campaign office in Guam in the next few days. The island territory will hold a Democratic Party caucus on May 3rd. Like the five other United States territories, Guam has no votes in the Electoral College, and therefore has no say in electing the President. But it does get some influence-action by sending delegates to the Democratic and Republican national conventions.

Since the Presidential candidates are giving US territories unprecedented attention this year, how about you do too! Take this flag quiz, and see if you know which flag goes with which region under the jurisdiction of the US federal government.