Social globalization: spread of ideas, people, cultures and traditions;
Political globalization: expansion of government policies (measured by things like number of embassies in a country, membership in international organizations, participation in United Nations peace missions and like these kinds of concepts).
There are some requirements and conditions so that international economic integration can happen:
the participants joining integration shouldn’t be far from each other geographically, otherwise they cannot get better off in trade due to some problems like logistic problems;