First Capital City Alphabetical Per Starting Letter

Can you name all the countries that have ever been members of OPEC, the Organization of Petroleum Exporting Countries?

There are 17 countries that start with the letter B, and Burma isn't one of them. Name as many as you can.

Click each country or territory on the map of the Lesser Antilles.

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