Final answer:
Freedmen were convinced to stop voting or taking part in political events through force and intimidation, as Southern states implemented tactics such as literacy tests and poll taxes to deny African Americans the right to vote.
Step-by-step explanation:
According to DuBois, freedmen were convinced to stop voting or taking part in political events through force and intimidation . After the end of Reconstruction, Southern states implemented tactics to deny African Americans the right to vote, such as requiring them to pass literacy tests and pay poll taxes, which were often beyond their financial reach. These measures effectively suppressed the African American vote and limited their participation in political affairs.