Answer:
One way Southerners slowed the progress of African Americans during the Jim Crow Era was through the implementation of discriminatory laws, such as poll taxes and literacy tests, that prevented them from exercising their right to vote. Another way was through the use of violence and intimidation tactics, such as lynching and the Ku Klux Klan, to instill fear in African Americans and discourage them from seeking equal rights.
Step-by-step explanation: