Final answer:
The murder and arson in Springfield, Illinois spurred African Americans to join with white reformers to found the NAACP.
Step-by-step explanation:
The National Association for the Advancement of Colored People (NAACP) was founded by African Americans and white reformers in response to the murder and arson that occurred in Springfield, Illinois in 1908. This event, known as the Springfield Race Riot, was a turning point that highlighted the need for organized efforts to combat racial violence and advocate for civil rights. The NAACP aimed to address systemic racism and discrimination through legal battles, lobbying, and public awareness campaigns.
Learn more about Founding of the NAACP