Nationalism Vs Internationalism

Nationalism value has been taught to us since in the primary education level, and nationalism is main reason why a state can be independence, because without it in our people how come state is being a state? That is also what make nationalism important. But then again how about internationalism? In this 21^st century Internationalism is commonly for the people worldwide. When lot of cases happen in another part of world and because of globalization era any information can be found very fast and easy, when the state cannot survive alone then forming alliances, when the states built United Nations (UN) to maintain international matter like International Law, and built international organization such as World Health Organization (WHO) for welfare,