sentences:  In 1814 the Supreme Congress of the revolutionary forces that met at Apatzingán (in today's state of Michoacán) drafted the first constitution, in 1814 whereby the name "América Mexicana" ("Mexican America") was chosen for the country.The head of the insurgent forces, however, was defeated by the royalist forces, and the constitution was never enacted.Servando Teresa de Mier, in a treatise written in 1820 in which he discussed the reasons why New Spain was the only overseas territory of Spain that had not yet secured its independence, chose the term "Anáhuac" to refer to the country.