Pop Quiz: Are Small Businesses Really Driving the U.S. Economy?

Politicians often argue that small businesses are the lifeblood of America, the engine that fuels the country's economy. But what, exactly, is a small business -- and how big an effect do they have on daily life in the U.S.? To help illustrate the role of small businesses, we've put together this little quiz. If you've ever wondered about the little companies that could, take a peek.

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