Final answer:
The NAACP tried to have Congress pass the anti-lynching bill in the 1920s to provide equal protection of the laws and punishment for the crime of lynching, raising awareness of racial violence against African-Americans.
Step-by-step explanation:
The NAACP tried to have Congress pass the anti-lynching bill in the 1920s. The bill aimed to provide equal protection of the laws and punishment for the crime of lynching. Although the bill was defeated in the Senate, the NAACP's campaign helped raise awareness of racial violence against African-Americans in the United States.