Seeking to contain Communist expansion, Johnson increased the number of troops to 575,000 in 1968.
The United Kingdom and France were angered by the misinterpreted clause; they also sought to contain Russian expansion.
America measured its success by how well it contained Soviet expansion and halted the spread of communism.
Control of the Portage was critical if the French were to contain English expansion in the New World.
The Cold War in Canada came to an end during the period 1990-1995 as the traditional mission to contain Soviet expansion faded into the new realities of warfare.
"If containing Soviet expansion was all we cared about, we might be tempted to withdraw," he said.
A mutual interest in containing Soviet expansion provided the foundation of U.S.-Turkish relations for the next four decades.
NATO formally welcomed Russia today as a participant but not a full-fledged member - in the organization created 53 years ago to contain Soviet power and expansion.
The information contained in this Document is selective and is subject to updating, expansion, revision and amendment.