Final answer:
To correct the capitalization errors in the sentence, capitalize the initials of W. E. B. and Du Bois.
Step-by-step explanation:
To correct the capitalization errors in the sentence, you need to capitalize the initials of W. E. B. and Du Bois. The correct sentence should be: Civil rights pioneer W. E. B. Du Bois was born in Massachusetts but became a citizen of Ghana in 1961. Make sure to capitalize each initial in a person's name.
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