How did the Mexican feel about the Gadsden Purchase??? Sad
Happy
surprised
Don't pick these answer that was just in example

Gadsden's Purchase provided the land necessary for a southern transcontinental railroad and attempted to resolve conflicts that lingered after the Mexican-American War. Fearing the colonists would rebel as those in Texas had, Mexican President Juan Ceballos revoked the grant, angering U.S. investors.

The actual answer is

Northerners saw slavery as an immoral and unjust practice.

Northern farmers couldn't compete with Southern plantations supported by slave labor.