The settlement of Texas by American colonists since the 1820s, the separatist aspirations of American settlers in the 1830s and 1840s, the Battle of Alamo, the proclamation of independence by Texas and an unsolved border dispute; all of these events contributed to the outbreak of the Mexican-American War in 1846.
I think the Federalists-Supported the Constitution who favored ratification. Anti-Federalists- Opponents of the Constitution in the debate over its ratification
