Final answer:
The subject of this question is Social Studies. The accomplishments described are related to the study of society, history, political science, and sociology.
Step-by-step explanation:
The subject of this question is Social Studies. The accomplishments described - being the editor of the NAACP Newsletter, author of books and poems about African American struggle for equality, and advocating for African Americans' rights guaranteed by the Constitution - are all related to the study of society, including history, political science, and sociology.
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