Winter Olympic Games records were set in speed skating largely due to the introduction of the clap skate. The 2002 Winter Olympics were held in Salt Lake City, United States, hosting 77 nations and 2,399 athletes in 78 events in 7 sports. These Games were the first to take place since the September 11 attacks of 2001, which meant a higher degree of security to avoid a terrorist attack. The opening ceremony saw signs of the aftermath of the events of that day, including the flag that flew at Ground Zero, NYPD officer Daniel Rodríguez singing "God Bless America", and honour guards of
Winter Olympic Games a full-time basis. Nevertheless, the IOC held to the traditional rules regarding amateurism until the '90s. The Cold War created tensions amongst countries allied to the two superpowers. The strained relationship between East and West Germany created a difficult political situation for the IOC. Because of its role in World War II, Germany was not allowed to compete at the 1948 Winter Olympics. In 1950 the IOC recognised the West German Olympic Committee, and invited East and West Germany to compete as a unified team at the 1952 Winter Games. East Germany declined the invitation and instead sought international legitimacy