Research the history and backgrounds of at least four (4) cultural groups in the

Research the history and backgrounds of at least four (4) cultural groups in the United States. Write a 250-500 word essay that explains how and why they came to America and the present social problems that exists within their culture. Include at least (2) internet website sources in APA format. Click here to see a list of culture groups that are in the United States. Watch this Encyclopedia Britannica immigration video.