Where was Mitt Romney born?

North America (the continent which includes Mexico and ranging from Panama to the northern-most parts of Canada)

Mexico,, officially known as the United Mexican States, the federal constitutional republic in North America

The United States of America (also called the United States, the U.S., the USA, America, and the States), the federal constitutional republic comprising fifty states and a federal district

Michigan, the Midwestern state of the United States of America