What was the impact of the mexican cession on american politics

The Mexican Cession was the land transfer from Mexico to the US that occurred because of the Treaty of Guadalupe Hidalgo. This caused a massive land grab to the US, and the question of slave expansion impacted US politics greatly. The country was already divided because of slavery and the new territory just increased the divisions. This ultimately led to the Civil War.

At the time Mexico ceded some lands to the United States of America, there were political discussions on the possibility that slavery might be extended to the newly acquired territory and this became a national political issue in the United States.

The acquisition of the new territories created controversy in the United States, particularly between US politicians who were not initially in support of the War.

The acquisition reignited the debate over the slavery issue in the western territories and also contributed to the division between the North and South which also result in the establishment of new single parties.  

The future of slavery became a national discourse and some politicians within the Democratic Party were also not in support of the idea of expanding slavery into Mexican cession.

They believed the status of the newly acquired territories should be determined by the people that reside in the territories.

The Mexican cession is the lands that Mexico surrendered to the U S after the Mexican-American war which occurred between 1846 and 1848. The land was surrendered to the United States after the signing of the Treaty of Guadalupe Hidalgo in 1848. In the Treaty, the United States also took over California, Arizona, Neva, Utah, Colorado, and New Mexico.  

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the andes or andean mountains (spanish: cordillera de los andes) are the longest continental mountain range in the world, forming a continuous highland along the western edge of south america. this range is about 7,000 km (4,300 mi) long, about 200 to 700 km (120 to 430 mi) wide (widest between 18° south and 20° south latitude), and of an average height of about 4,000 m (13,000 ft). the andes extend from north to south through seven south american countries: venezuela, colombia, ecuador, peru, bolivia, chile and argentina.

from wikipedia

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