Mexican-American War vs Battle of Chapultepec

Mexican-American War and Battle of Chapultepec both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mexican-American War	Yes	No	No	No
Battle of Chapultepec	Yes	No	No	No

Mexican-American War (noun)	Battle of Chapultepec (noun)
after disputes over Texas lands that were settled by Mexicans the United States declared war on Mexico in 1846 and by treaty in 1848 took Texas and California and Arizona and New Mexico and Nevada and Utah and part of Colorado and paid Mexico $15,000,000	a pitched battle in the Mexican War that resulted in a major victory for American forces over Mexican forces at a locality south of Mexico City (1847)