Columbia subject headings:
Canada--Relations--United States.
Citizenship--Northern boundary of the United States--History.
Imperialism--History.
Merchants--Northern boundary of the United States--History.
Nation-building--North America--History.
Nationalism--United States--History.
Northern boundary of the United States--History--18th century.
Northern boundary of the United States--History--19th century.
United States--Relations--Canada.
United States--Territorial expansion.
Harvard subject headings:
Canada--Relations--United States.
Citizenship--Northern boundary of the United States--History.
Citizenship--United States--History
Imperialism--History
Merchants--Northern boundary of the United States--History.
Nation-building--North America--History.
Nationalism--United States--History
Northern boundary of the United States--History--18th century.
Northern boundary of the United States--History--19th century.
United States--Relations--Canada.
United States--Territorial expansion.
Princeton subject headings:
Canada--Commerce--United States.
Citizenship--United States--History.
United States--Boundaries--Canada.
United States--Commerce--Canada.
United States--History--1783-1865.