texas During the Civil War, the major concern of the Frontier Regiment was . Comanche raiders from western Texas slaves rising up in rebellion attacks from Mexican border bandits invasion of the Texas coastal regions by U. S. forces

Defense of the northern and western frontier against Indian and Mexican incursions.

in mcculloch v. maryland (1819) the supreme court ruled that congress had implied powers under the necessary and proper clause of article i, section 8 of the constitution to create the second bank of the united states and that the state of maryland lacked the power to tax the bank.

gibbons v. ogden, (1824), was a landmark decision in which the supreme court of the united states held that the power to regulate interstate commerce, granted to congress by the commerce clause of the united states constitution, encompassed the power to regulate navigation.