books.google.ca - With the increased mobility and interdependence brought on by globalisation, governments can no longer deal effectively with what were traditionally regarded as «domestic issues unless they cooperate among themselves. International law may once have been a sort of inter-state law concerned mostly with...http://books.google.ca/books/about/Canadian_Federalism_and_Treaty_Powers.html?id=g9-6tXGTru8C&utm_source=gb-gplus-shareCanadian Federalism and Treaty Powers