
A BRIEF HISTORY OF CANADA
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Encompassing most of southern Quebec and southern Ontario, this
predominantly fl at fertile plain occupies less than 2 percent of Canada’s
total area but accommodates over 60 percent of the nation’s population.
Blessed with a favorable climate, excellent soil, and easy access by land
and water, the upper St. Lawrence Valley and Great Lakes basin was the
original agricultural heartland before becoming the commercial, indus-
trial, and fi nancial center of the nation. Indeed, the contrasting fates of
the St. Lawrence and Atlantic regions demonstrate the importance of
agriculture in laying the foundation for future economic and popula-
tion growth in Canada.
Transportation was another key to development. From the outset,
the St. Lawrence River and the Great Lakes formed a vital water high-
way linking the Atlantic Ocean with the continental interior. Ironically,
this east-west route proved to be an agent of both continentalism and
nationalism. On the one hand, the waterway facilitated the movement
of people and goods to and from New York and Pennsylvania as well as
the Ohio-Mississippi Valley, a natural extension of the St. Lawrence
lowlands. On the other hand, the St. Lawrence–Great Lakes system
launched a succession of explorers and traders along a transcontinental
course leading to the northwest and Pacifi c regions, later followed by
the railroad. Thus, the St. Lawrence region emerged as a hub of trans-
portation and trade, thriving as a benefi ciary of the north-south pull of
the United States and as a catalyst for east-west integration within a
national economic framework.
The Canadian Shield
The dominance of the St. Lawrence region was reinforced by still
another geographical factor—access to a resource frontier to the
north and west. Initially, the vast wilderness to the north, known as
the Canadian Shield, was considered to be the chief obstacle to
Canadian development. This expanse of Precambrian rock, worn
down by millions of years of glaciation, covers almost half of Canada’s
land surface, including much of the northern frontiers of Quebec,
Ontario, Manitoba, and Saskatchewan, as well as Nunavut and the
eastern edge of the Northwest Territories. The rugged terrain of the
Shield is interspersed with forest, scrub bush, muskeg swamp, numer-
ous lakes and streams, and isolated pockets of arable land that offered
little or no attraction to the farming pioneer. Thus, until the late 19th
century, the Shield remained a colossal barrier to the spread of settle-
ment westward from the St. Lawrence region. Only the fur trader