mexico war

• in 1848
• A new state of Texas was now set up which gave the US more land to the south gave white settlers a chance to migrate west using this extra land
• encouraged migration
• Now the American government wanted people to move west. using Texas would be less expensive than travelling by sea The American government used US troops to guard the new trails to stop Indians attacking the white settlers. now the white settlers would break the treaty they assigned as they went over to the plains land