Individual #Mexican_War  after disputes over Texas lands that were settled by Mexicans the US declared war on Mexico in 1846 and by treaty in 1848 took Texas and California and Arizona and New Mexico and Nevada and Utah and part of Colorado and paid Mexico $15,000,000
  instance of:  #war.military_action
  part:  #Buena_Vista  in 1847 US forces under Zachary Taylor defeated Mexican forces under Santa Anna in the Mexican War
  part:  #Chapultepec  a victory by American over Mexican forces in the Mexican War (1847)

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