To acquire land for expansion, whatever the cost.
It depends how early: 1700s: agriculture 1800s: Railroads 1900s: cars.
Mexico
Mexico city, the early 1800s.
Revolts against Spanish rule broke out throughout the Americas
MEXICO! Mexico owned Texas in the early 1800's. Texas became one nation for nine years... 1836 to 1845. In 1845 Texas joined the United States of America.
Immigration
the increased safety in the colony
Philadelphia-Pittsburgh Turnpike
It included all of present day New Mexico,Arizona and Nevada, and parts of Colorado and Utah.
increased safety in the colony
increased safety in the colony
increased safety in the colony