Following the Mexican-American War, which issue broke party unity and divided Congress largely along sectional lines?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0Athe annexation of California and New Mexico%0D%0Athe annexation of California and New Mexico%0D%0A%0D%0Athe status of disputed land grants in Texas%0D%0Athe status of disputed land grants in Texas%0D%0A%0D%0Athe extension of slavery into territories acquired from Mexico%0D%0Athe extension of slavery into territories acquired from Mexico%0D%0A%0D%0Athe necessity of making the Gadsden Purchase
