Who are the old & new immigrants during the 1900s?

The so-called “old immigration” described the group European immigrants who “came mainly from Northern and Central Europe (Germany and England) in early 1800 particularly between 1820 and 1890 they were mostly protestant”[6] and they came in groups of families they were highly skilled, older in age, and had moderate

Explanation:

newton is important because he contributed more to the development of science than any other person in history. isaac newton is remembered as the greatest scientific genius who ever lived. his discoveries about physics, light, and mathematics changed the world.

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

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