Simplify the following text for a Grade 11 native English-speaking person.
Original: He states that Globalization 1 involved the globalization of countries , Globalization 2 involved the globalization of companies and Globalization 3 involves the globalization of individuals .
Simplified: Globalization is about making national borders less important for those who want to buy or sell things around the world . He says that globalization is making `` national economies into one global economy '' because many depend on people from other countries .