Many countries of western europe are part of: seato nato the league of nations the european union

European Union

Explanation: Much of Western Europe is part of the European Union which is trying to make the continent into something like a United States of Europe. The countries do not tax goods moving between them. As of the year 2002, they replaced their national currencies with the same money, called the euro, in the form of euro notes and coins.

an informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.

answer; adjusting and adapting to a culture other than one's own;