United States 250 anniversary: Immigration that helped define a nation

The United States has drawn people from around the world – seeking opportunity, freedom and a chance to build something new. Many would go on to help shape the country's economy, culture, diplomacy and scientific achievements. As America prepares to mark a quarter millennium of history, Al Jazeera’s Manuel Rapalo looks at some of the immigrants whose contributions helped define the nation. Subscribe to our channel: http://bit.ly/AJSubscribe Follow us on Twitter: https://twitter.com/AJEnglish Find us on Facebook: https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/ C…

Watch on source: https://www.youtube.com/watch?v=BUGEk8nHsHE ↗