The primary purpose of a trading bloc is to reduce or eliminate tariffs. Option C is correct.
Trading blocs are groups of countries in specific regions that manage and promote trade activities. It constitutes a type of intergovernmental agreement, part of a regional intergovernmental organization, where barriers to trade, such as tariffs are reduced or eliminated among the participating states. An example of tradinc bloc is the MERCOSUR also known as Mercado comun del sur, made up of countries from South America such as Argentina, Brasil, Uruguay, Paraguay and Venezuela.
