When the United States defeated Mexico in the Mexican-American War, the U.S. gained land that was called the Mexican Cession - from New Mexico to California. This led to intense arguments in the 1850s over which topic or issue?

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1 point
A. putting a tax or tariff on goods coming from California
B. the spread of slavery throughout the Mexican Cession land
C. what crop should be grown in the territories of New Mexico and Arizona
D. giving West Texas land to the Comanche and the Apache

B. the spread of slavery throughout the Mexican Cession land