Which of these best explains why the 1924 immigration act favored immigrants from northern and western europe?(1 point) responses the act used the 1920 census to determine national quotas. the act used the 1920 census to determine national quotas. the act required all immigrants to be fluent in english. the act required all immigrants to be fluent in english. the act required all immigrants to be protestants. the act required all immigrants to be protestants. the act used the 1890 census to determine national quotas.

The correct response is: the act used the 1890 census to determine national quotas.

The correct explanation is that the 1924 immigration act used the 1920 census to determine national quotas.

The best explanation for why the 1924 immigration act favored immigrants from northern and western Europe is that the act used the 1890 census to determine national quotas.

To arrive at this answer, we need to carefully read each option and determine which one provides the most relevant and accurate explanation.

Option 1: "The act used the 1920 census to determine national quotas." This option is incorrect, as it refers to the wrong census year.

Option 2: "The act used the 1890 census to determine national quotas." This option is correct. The Immigration Act of 1924 was based on the National Origins Formula, which restricted immigration based on national origin. It allocated quotas based on the 1890 census, which intentionally favored immigrants from northern and western Europe at the expense of immigrants from other regions, such as southern and eastern Europe.

Option 3: "The act required all immigrants to be fluent in English." This option is incorrect, as the language requirement was not a primary factor for the preference given to immigrants from northern and western Europe.

Option 4: "The act required all immigrants to be Protestants." This option is incorrect, as the religious affiliation was not a primary factor for the preference given to immigrants from northern and western Europe.

Therefore, the correct option is: "the act used the 1890 census to determine national quotas."