Question

Why was the Mexican Cession a significant event(1 point)%It united different cultural groups living in western areas.It united different cultural groups living in western areas.It intensified the debate over the expansion of slavery.%0D%0AIt intensified the debate over the expansion of slavery.%0D%0A%0D%0AIt created a temporary southern border.%0D%0AIt created a temporary southern border.%0D%0A%0D%0AIt led to the development of canal systems to move goods.

Answer 1

The Mexican Cession was a significant event because it intensified the debate over the expansion of slavery.