Portugal, during this period, was never an outcast, and was a founding member of the North Atlantic Treaty Organization (NATO), the Organisation for Economic Co-operation and Development (OECD) and the European Free Trade Association (EFTA).
I denne periode var Portugal aldrig internationalt isoleret og var en af grundlæggerne af North Atlantic Treaty Organization (NATO), the Organisation for Economic Cooperation and Development (OECD) og European Free Trade Association (EFTA).