because they thought it would be easier to defeat them so the war could end quickly
Northern abolitionists opposed the Mexican American War.
The Whigs.
Yes, Lincoln was against the War with Mexico.
The fear that slavery would spread into new territories
People were opposed to the annexation of Texas because it would be admitted to the union as a slave state.
One reason that some Americans opposed the annexation of Texas was that they didn't want to go war with Mexico. Another reason was that it would change the balance between states that had slavery and those that didn't.
the amaricans.
Oppose, wars are a bad thing, why would you support it
Some of California and New Mexico
He opposed it because it would expand slavery.Opposition to the Mexican-American War was mostly among abolitionists, who felt that the war was being fought to expand the area under which slavery could be legal and that the war had no legitimate cause. Notable among those who opposed the war were Abraham Lincoln, who in his only senate term sponsored resolutions asking whether the Mexicans fired on US soldiers on their soil or on US soil (or in the region disputed between Mexico and the US at the time), and Stephen Douglas who called the war the "rape of Mexico."
The main opposition came from Copperheads, who were Southern sympathizers. Irish Catholics opposed the war due to the draft.
Opposition to the Mexican-American War was mostly among abolitionists, who felt that the war was being fought to expand the area under which slavery could be legal and that the war had no legitimate cause. Notable among those who opposed the war were Abraham Lincoln, who in his only senate term sponsored resolutions asking whether the Mexicans fired on US soldiers on their soil or on US soil (or in the region disputed between Mexico and the US at the time), and Stephen Douglas who called the war the "rape of Mexico."