A primary source of anything is a first hand account be it a diary, eye witness account, the person must have experienced it themselves while a secondary the information could have been passed on for example a news paper or memoir on someones life.
Indentured Servants. These were people who worked for a certain number of years to pay for their voyage to America.
Answer:
Background Essay on Late 19th and Early 20th Century Immigration. ... Unlike earlier nineteenth century immigration, which consisted primarily of immigrants from Northern Europe, the bulk of the new arrivals hailed mainly from Southern and Eastern Europe.
Explanation:
People migrated from siberia to alaska across a land bridge that today is callef the Bering Strait. The first people to havemigrated was across the Bering Land Bridge