Question

Other than the use of English, what other features of English
economic and social life do you notice in nineteenth-century USA?
What did the frontier' mean to the Americans?​

Answer 1

American frontier, in United States history, the advancing border that marked those lands that had been settled by Europeans. ... It is characterized by the westward movement of European settlers from their original settlements on the Atlantic coast (17th century) to the Far West (19th century).