For many Americans struggling with the higher cost of living and tired of the growing political tension at home, their European family trees offer a chance to escape the country—or at least to have a Plan B in case things get really bad. Millions of people in the U.S. can trace their ancestry back to the so-called "Old Continent," even if these ties date back multiple generations. Long-lost connections to Europe gives them the right to apply for citizenship in the country that their ancestors