David Ramos/Getty Images A Jamaican bobsledder at this year's Olympics had raced at a previous Winter Olympics for the United States. Olympics rules allow athletes with multiple nationalities to choose who to compete for, and even change their competitive allegiance. Citizenship laws vary from country to country, as do the reasons an athlete may have for switching countries. When Jazmine Fenlator-Victorian raced in this Olympics' women's bobsledding event, she was doing so in her second Winter Olympics — but her first competing for Jamaica.