Which of the following describes race relations in the 1920s?

race riots occurred in several cities across the country.
the influence of the ku klux klan declined.
the government supported federal anti-lynching laws.

The government supported Federal anti-lynching laws  describes race relations in the 1920's.

Explanation:

Although, the riots were also a major occurrence in the period of 1920’s, the riots themselves were not known to occur all across the country. Th urban riots where people started attacking black people mainly were controlled to the northern and western parts of the country.

The influence of the Ku Klux Klan, instead of diminishing, peaked in the 1920’s with the second clan gaining a record number of clan members at the time. Lynching on the other hand, had taken the country by storm, becoming so severe after the metaphorical explosion of racism in the 1920’s, mob-directed hanging became a matter of concern, thus the government supported federal anti-lynching laws.

the first forms of writing came from them in the form of pictographs around 3100 bc.