In the 1800’s, the US was a quickly growing country and many people moved west. Many settlers had to find land that had not already been occupied. Since most of the west was part of Mexico, it was not as simple and easy but to the settlers luck the Mexicans also wanted settlers in their western lands. The reason for this was that area was not very well developed. Mexico invited several American people to settle in their lands, but both countries had their differences and it did not take very long before the US and Mexico went to war. The US was well justified in going to war with Mexico. The reason being is Mexico had shed American blood on American soil. Texas was an independent republic and had the right to govern itself, and at the time,
