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In page Third Convention:

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As a result, a group of Mexican Mormons led by Abel Páez, first counselor of the Mexican district presidency, demanded that church leadership appoint a Mexican mission president "of pure race and blood" (de pura raza y sangre). After three rebuffs, a breakaway faction of the Mexican mission district organized what came to be known as the Third Convention, separate from and without authority from church leadership in the United States. These "Third Conventionists" (as they were known) conducted missionary activity in some small mountain villages in central Mexico.[2]