Despite its ethnic and religious diversity, Switzerland has maintained one of the world’s oldest democracies for more than 700 years. Concerned about the encroaching Habsburg Empire, the three mountain communes of Uri, Schwyz, and Unterwalden formed a defensive league in 1291, laying the foundations of the Swiss Confederation. Today, Switzerland is well known for its neutrality and reluctance to join the European Union. In 2002, it became one of the last nations to do what? Discuss
Source: The Free Dictionary