Politics and sports or sports diplomacy describes the use of sport as a means to influence diplomatic, social, and political relations. Sports diplomacy may transcend cultural differences and bring people together. The use of sports and politics has had both positive and negative implications over history. Sports competitions or activities have had the intention to bring about change in certain cases. Nationalistic fervour is sometimes linked to victories or losses to some sport on sports fields. Some matches have also had national diplomatic incidents.