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
  part:  #Buena_Vista  #Chapultepec
  type:  #war.military_action__warfare  the waging of armed conflict against an enemy; "thousands of people were killed in the war"

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