The First Europeans. The first Europeans to arrive in North America -- at least the first for whom there is solid evidence -- were Norse, traveling west from Greenland, where Erik the Red had founded a settlement around the year 985.
15 000 veterans, many unemployed descended on Washington D.C. to demand immediate payment of their bonus. They proclaimed themselves the Bonus Expeditionary Force vut the public called them "The Bonus Army" . The veterans made the largest camp across the river from the Capital. Approximately 10 000 people lived in the shelters built from old lumber, packing bpxes, scraped tins and straw.
The immigration station on the west coast where Asian immigrants, mostly Chinese gained admission to the U.S. at San Francisco Bay. Between 1910 and 1940 50k Chinese immigrants entered through Angel Island. Questioning and conditions at Angel Island were much harsher than Ellis Island in New York.
I hope that helps.