Refugee crisis: Refers to a large-scale influx of refugees from a specific region or country due to political conflicts, social unrest, or economic instability. These crises often involve mass migration and can have significant implications for the receiving countries.
Ellis Island: The primary immigration station in the United States located in New York Harbor between 1892 and 1954. It processed millions of immigrants, including many from Eastern Europe, during that time.
Brain drain: The emigration of highly skilled or educated individuals from their home country to other countries where they believe there are better opportunities for personal and professional growth. Brain drain can affect a nation's development and economy.