Nationalism and selfishness-based moral

Big matters matter much more than, say, 1 millionth part of them. So it matters enormously for a country to choose a wise strategy in it's foreign relations. Count as a vector sum from 5 (China and India) to 1000 (Finland) as big vectors as your own country's intentions: all to the same direction as your own efforts or all opposing your own country. Cooperation world wide pays well! The small scale cannot compete with a so huge force.