Appellation d'origine contrôlée Portugal's Denominação de Origem Controlada, Austria's Districtus Austria Controllatus, South Africa's Wine of Origin, and Switzerland's AOC-IGP are all similar to the French AOC system as well. It appears also that AOC influenced the development of the European Union's protected designation of origin (PDO) system. Switzerland has an "appellation d'origine contrôlée" certification for wines and an "appellation d'origine protégée" certification for other food products. Before 2013, the "appellation d'origine contrôlée" was used for all products. The United States' American Viticultural Areas also follows the model set by the French AOC. The United States Department of the Treasury's Alcohol and Tobacco
Louisiana French the various dialects converged to produce what we know as Louisiana French. The strong influence of English-language education on the francophone community began following the American Civil War, when laws that had protected the rights of French speakers were abolished. Public schools that attempted to force francophones to learn English were established in Louisiana. Parents viewed the practice of teaching their children English as the intrusion of a foreign culture, and many refused to send their children to school. When the government required them to do so, they selected private French Catholic schools in which class was conducted in French.