How did the United States acquire the land that became Kansas and Nebraska? in the Kansas-Nebraska Act
as part of the Louisiana Purchase
in the Mexican-American War
as a purchase from Canada

Louisiana purchase

Explanation:

in the map of the Louisiana purchase Nebraska and Kansas are 2 of the states that were apart of it

one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.