In 1848, the area added to the United States was the Mexican Cession, which included present-day California, Nevada, Utah, Arizona, and parts of Colorado and New Mexico. This expansion followed the Mexican-American War, culminating in the Treaty of Guadalupe Hidalgo. The acquisition significantly increased U.S. territory and fueled debates over slavery's expansion into new states.
Wisconsin was admitted into the Union on May 29, 1848 becoming the 30th state to join the Union.
1848
when did the war of 1812 end
1848
It added southern states.
The Mexican-American War of 1846 to 1848.
California was part of the northern portion of Mexico that was added to the US as a result of the Mexican-American War.
oregon country
1846-1848
Wisconsin was admitted into the Union on May 29, 1848 becoming the 30th state to join the Union.
Lewis Cass was the Democrat defeated by Taylor in 1848.
1848
1848
1848
Iowa joined the Union on December 28, 1846.
treaty of guadeloupe hidalgo 1848
The Guadalupe-Hidalgo Treaty of 1848, after the Mexican-American War (1846-1848).