Was the U.S.-Mexican War unavoidable?

– No additional research, use sources provided
–  Identify the major arguments about the topic
– Provide the three main arguments in favor and three arguments against the issue before reaching your own conclusion
– Add word count at the bottom
– Usual writing conventions: introduction with argument, body with supporting evidence, and a closing
– 12-point font, Times New Roman, double-spaced
– Cite your work using parenthetical citations (sources provided)