Journeys made across the United States in the mid-1800s were long and dangerous.
Long and Dangerous
The United States did!^_^
in the north
Isolation
representing an increase in the available labor force.
Civilization crept across the United States of America during the 1800s, because people moved farther and farther west, looking for homesteads.
Many nation states that existed in the 1800s are still here today. These include the United States of America, Republic of Canada, and the United Kingdom.
slavery
The United States
The United States
The Louisiana Purchase to the United States.
Which advancements in technology in the late 1800s are staying in the United States today
all of the above