Compared with “new” immigrants in the 1800s who tended to be catholic or jewish, most “old” immigrants were primarily

catholic.
jewish.
protestant.
quaker.

Answer

Protestant

Explanation

Protestants are the members or followers of the Western churches that separated themselves from the roman catholic church in accordance with the principles of the Reformation, including the Baptist, Presbyterian, and Lutheran Churches.. The attempts to reform the catholic church and the protestant church development in western Europe was known as reformation.It began in 1517 when Martin Luther king protested against catholic church and his followers became protestants.

Protestants were the Most "old" immigrants  to the United States and they  came from Western Europe..

salmon were fished in puget sound.