what continent is mexico located on?
North America
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 In Mexico , topographical officer George W. Hughes reported to Secretary of State John M. Clayton that a railroad across the isthmus was a “ feasible and practical ” idea . Clayton then instructed Robert P. Letcher , the minister to Mexico , to negotiate a treaty to protect Hargous ' rights . The United States ' proposal gave Mexicans a 20 % discount on shipping , guaranteed Mexican rights in the zone , allowed the United States to send in military if necessary , and gave the United States most @-@ favored @-@ nation status for Mexican cargo fees . This treaty , however , was never finalized . 

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 = = = New Spain and Central America = = = 

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 Mexico 's most important contributions to the Spanish Republic was its diplomatic help , as well as the sanctuary the nation arranged for Republican refugees , including Spanish intellectuals and orphaned children from Republican families . Some 50 @,@ 000 took refuge , primarily in Mexico City and Morelia accompanied by $ 300 million in various treasures still owned by the Left . 

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 = = = = Central and South America = = = = 

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 Mexico won its independence from Spain in 1821 . After the new country 's monarchy was overthrown , the Constitution of 1824 established a federalist republic composed of multiple states . Sparsely populated provinces were denied independent statehood and instead merged with neighboring areas . Mexican Texas , which marked the country 's eastern border with the United States , was combined with Coahuila to form the new state Coahuila y Tejas . To facilitate government of the large area , the state was subdivided into several departments ; all of Texas was included in the Department of Béxar . 
