What was the source of the conflict between the united states and mexico before they went to war? ch 13.3?

One cause of the Mexican War was the United States hated Mexico because Mexico rejected Polk's offer of $30 million for California and New Mexico. Also, the United States and Mexico both claimed land between the Rio Grande and the Nueces River. This cause fighting about land.

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C, because he has a direct link and profit from the trade. the fastest way by boat to transport those goods is via the panama canal.