Which group of people made up the majority of immigrants to america before 1870a. european protestantsb. scandinavian catholicsc. chinese buddhistd. south american jews

Explain the reasons for u.s. neutrality during the 1920s and 1930s. how did ideas about neutrality change during the period from the end of world war i to the passage of the lend-lease act? be sure to include any events, terms, or people that may support your response.