<Tr> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Texas </Th> <Th> United States </Th> </Tr> <P> Republic of Texas--United States relations refers to the historical foreign relations between the now - defunct Republic of Texas and the United States of America . Relations started in 1836 after the Texas Revolution, and ended in 1845 upon the annexation of Texas by the United States . </P> <P> Following Mexico's independence from the Spanish Empire in 1821, the population of Texas numbered only 4000 Tejanos . The new Mexican government, eager to populate the region, invited Americans to help settle the region; by 1830 the number of American settlers in Texas topped 30,000 . Slavery was brought to Texas by the settlers even though the 1824 Mexican constitution declared the process illegal; in 1831 the Mexican government began to combat slavery in Texas, intensifying the desire of the Texans to seek independence . By 1835, Sam Houston and other Texans initiated the battle for independence . The United States decided to support the revolution by providing arms and supplies to the Texas rebels, eventually leading to the independence and creation of the Republic of Texas . </P>

What is the relationship between texas and the federal government
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