Definition for harlem renaissance and sacco-vanzetti?

The Harlem Renaissance was the cultural, artistic, and social growth in Harlem, New York. It made black artists, musicians, writers, and anyone that had interest in the "arts" and humanities draw closer to New York to discover themselves artistically. 

Sacco-Vanzetti were two men who were accused of killing a guard and a paymaster in the armed robbery of a shoe company called Slater and Morill on April 15th, 1920 in South Braintree, Massachusetts.

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