Why was the Mexican Cession a significant event?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AIt united different cultural groups living in western areas.%0D%0AIt united different cultural groups living in western areas.%0D%0A%0D%0AIt 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.
