Santa Fe Regional Airport Destinations (Santa Fe, NM, USA)

With the help of a map, can you name the countries which existed during the Revolution of 1848?

Click the countries whose flags are ONLY red, white, and blue.

Click on every square of the world map which contains an urban agglomeration with a population of at least 10 million.

Drag the flag onto the correct country. Careful, though! One wrong move and the game ends.