The arms trade refers to the buying and selling of weapons and military equipment between countries and companies. This trade includes a wide range of items, such as firearms, ammunition, tanks, and aircraft. The arms trade is regulated by various international agreements to prevent illegal sales and to promote responsible use of military resources. Countries engage in the arms trade for various reasons, including national security, defense partnerships, and economic benefits. Major players in this market include the United States, Russia, and China, which are among the largest exporters of arms globally. The trade can impact global politics and conflict dynamics significantly.