Which of the following best describes american troops who fought in the mexican-american war?
a. immigrant workers
b. enslaved workers
c. career soldiers
d. volunteer soldiers

Volunteer soldiers best describes American troops who fought in the Mexican-American War. Option D is correct.

The Mexican-American War, the war between the United States and Mexico from 1846 to 1848, helped to achieve America's "manifest destiny" to expand its territory across the entire North American continent.

During this armed conflit U.S. forces occupied the regional capital of Santa Fe de Nuevo México along the upper Rio Grande and the Pacific coast province of Alta California, and then moved south.

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.

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.