This document discusses trade blocs, including their definition, objectives, advantages, disadvantages, and types. It provides examples of major trade blocs such as NAFTA, the EU, ASEAN, SAARC, MERCOSUR, CACM, and ALADI. NAFTA has been replaced by USMCA, and the EU continues expanding to new member countries while also dealing with Brexit. Trade blocs aim to reduce trade barriers between members and impose barriers on non-members to encourage regional economic integration and development.