Final answer:
The Reconstruction era and Civil Rights Movement are important aspects of American history to provide context for an article about the first black student to attend a desegregated school in the South.
Step-by-step explanation:
The aspects of American history that would provide important context for an informational article about the first black student to attend a desegregated school in the South are The Reconstruction era and Civil Rights Movement. These two periods in American history are critical for understanding the challenges and struggles faced by African Americans in their fight for equality and access to education. During the Reconstruction era, after the Civil War, efforts were made to secure civil rights for African Americans, including education.