A Country of Vast Designs: James K. Polk, the Mexican War and the Conquest of the American Continent is a book by Robert W. Merry published in 2009 by Simon & Schuster.

[1] The work focuses on the background and political history of the south westward expansion of the United States, the Presidency of James K. Polk, and the Mexican American War.

[2] Robert W. Merry is the author of several books and an experienced journalist.

He has held senior positions at multiple media organizations.

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