Foreign relations of Belgium sanctioned the creation of Belgium in 1831 on the condition that the country remain strictly neutral. This policy of neutrality ended after the experience of German occupation during World War I. In the years preceding World War II, Belgium tried to return to a policy of neutrality, but once again, Germany invaded the country. In 1948, Belgium signed the Treaty of Brussels with the United Kingdom, France, the Netherlands, and Luxembourg, and one year later became one of the founding members of the Atlantic Alliance. The Belgians have been strong advocates of European integration, and most aspects of their foreign,
Belgium Dutch), although French is the dominant language of the population. Belgium's linguistic diversity and related political conflicts are reflected in its political history and complex system of governance, made up of six different governments. Historically, Belgium was part of an area known as the Low Countries, a somewhat larger region than the current Benelux group of states that also included parts of northern France and western Germany. Its name is derived from the Latin word "Belgica", after the Roman province of Gallia Belgica. From the end of the Middle Ages until the 17th century, the area of Belgium was a