In his 1981 book, The Nine Nations of North America, Joel Garreau argues that, because of the vast differences between several parts of North America, the many national borders are irrelevant, and, that indeed, the United States and Canada are not just two nations, but nine nations. In its time, the book was hailed as a classic text on the current regionalization of North America” by American intellectuals.
Garreau’s idea that borders are essentially artificial must be taken in the proper context; they are not to be used in a sentimental sense which would make them easily appropriated by people who advocate massive immigration between nations. Quite the contrary, Garreau’s idea establishes the opposite: that in defiance of the widely-accepted idea of huge superstates encompassing many different peoples, a smaller and localized nationalism, maintaining the local character of the people is needed.
Indeed, the borders of the United States and Canada are artificial, with even less historical justification than Russia’s dominion over Siberia or China’s over its various regions. In the case of the latter, Russia permits certain areas to form autonomous republics, many of which have the limited right of nullification, or the right to enact legislation at odds with the federal constitution. China allows some autonomy in its outer regions by designating them as “autonomous regions”. The United States was formed by the westward expansion of the Federal Government, incorporating land formerly belonging to the Red Indians into the newly-formed nation.
In Russian: http://perevodika.ru/articles/19599.html