The answer is C. Texans are wrong to challenge the Mexican government and must be defeated. :)
The main reason why historians consider political cartoons to be credible resources in historical inquiry is because they present a picture of usually was popular opinion at the time--regardless of whether or that opinion is exaggerated or not.
A characteristic of an oligarchy could be the government as a oligarchy is when a group of people rules over a majority!
He served as U.S. minister to St. Petersburg (1831–33) for the Andrew Jackson administration, U.S. senator (1834–45), and secretary of state (1845–49) in the cabinet of Pres. James K. Polk.