The United States ambushed Mexico without proper reason or legal backing. Although the U.S. claimed an invasion by Mexico, they acknowledged that Mexico had a different border and still began a conflict. To begin, the U.S. sent troops into disputed territory to watch for …show more content…
According to Document B, "[On the 24th of April] a party. of sixty-three men and officers, were. dis-patched from the American camp up the Rio del Norte, on its [North] bank, to ascertain whether the Mexican troops had crossed, or were preparing to cross, the river." This action created an issue by provoking the obvious defense that Mexico would respond to what they perceived as an invasion. The U.S. made the executive decision that Texas was a part of the U.S. since Texas wanted to be annexed, despite being an independent territory. This disregards any input from Mexico since it was previously a part of that nation, instead of creating a line of communication to reach a neutral boundary. Also from Document B, "The invasion was threatened solely because Texas had determined. to annex herself to our Union; and, under these circumstances, it was our duty to extend our