The Mexican Cession was bought in 1853 and completed our continental U. S

True or False

True

Explanation:

The Gadsden Purchase, or Treaty, was an agreement between the United States and Mexico, finalized in 1854, in which the United States agreed to pay Mexico $10 million for a 29,670 square mile portion of Mexico that later became part of Arizona and New Mexico.

supplies had to travel a long distance across water on ships that were often attacked, so they did not reach europe