This document discusses the history and key aspects of economic globalization. It begins with early trade networks dating back 4000 BC, and describes how improved communication, transportation, and trade have increased global economic integration over time. It then contrasts protectionism versus trade liberalization approaches, and outlines international organizations that facilitate global trade such as the World Bank, IMF, and WTO. Both benefits and drawbacks of economic globalization are mentioned. Sustainability and balancing current versus future needs are also discussed in relation to global development.