One reason the United States was justified in going to war with Mexico is because of economic benefit such as slavery and lands. According to document 4 paragraph 2, “Citizens of the US had already begun to (move) into Texas. … The idea was …that this is extensive province ought to become a part of the United States.” This evidence shows the US was justified …show more content…
Based on document 2 paragraph 3, “This had become necessary, to meet a threatened solely because Texas had determined… to annex herself to our Union;... it was plainly our duty to extend protection over her citizens and soils.” This evidence shows the US was justified in going to war because it was the US’ duty to protect Texas since Texas had decided to join the Union and become one with the US. According to President Polk in paragraph 4, “(On the 24th of April) a party… of sixty-three men and officers, were… dispatched from the American camp up the Rio Del Norte. … (They) became engaged with a large body of these (Mexican) troops… sixteens (Americans) were killed and wounded.” So the misunderstandment was started by Mexicans’ troops giving US the reason to fight back and start the