What was the point of testing the reading ability of immigrants

Without a strong command of English, immigrant families will struggle to succeed in the mainstream of American life. How then does immigrant literacy compare to the literacy of native speakers? Unfortunately, answers to survey questions on English ability can be vague and subjective. For example, when the Census Bureau conducts the annual mini-census called the American Community Survey (ACS), it asks all respondents who speak a foreign language at home

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are you asking for our opinion?

the answer is b. hope this