What is one major problem that has resulted from globalization in the 20th and 21st centuries?

The main problem studied in political schools:Globalization causes new global problems which lead to a situation where actions in one country affect another country, or even the rest of the world (as an example - the 2008 economical crisis). Globalization comes with an interdependence of the problems that happen around the world and requires greater collaboration between countries.

Economoic crises in one country can rapidly spread around the world -APEX-

Fine until slavery ya ya haha