Answer:
A direct line across the American territory for the railroad to the Pacific was ensured.
Step-by-step explanation:
the United States minister in Mexico, purchased the 45,000 square miles of Mexican territory south of the Gila River for $10,000,000. This land was bought to ensure a direct line across the United States' territory for building a southern railroad to the Pacific. With this purchase, the cry for Manifest Destiny ended for a time.