States Where Mark Twain Lived

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

Guess the U.S. states and European countries with the largest economies.

It's election day and you are representing the Lime Green Party of America. Name any state to grab its electoral votes and defeat the hated Periwinkle party.

Can you name the states of the U.S. which have the shortest distance to Tokyo as the crow flies?