How does money encourage speacialization?

Money is a means of exchange. Money encourages specialization because it promotes competition. Competition will lead to finding out who can be most efficient with said money .So the answer is (A) if this is the multiple choice question i think it is

answer: economic globalization is the increasing economic integration and interdependence of national, regional and local economies across the world through an intensification of cross-border movement of goods, services, technologies and capital