Final answer:
Since 1989, John Conyers consistently introduced the HR-40 bill to Congress, focusing on reparations for African Americans. Following his retirement, Sheila Jackson Lee has carried on the effort. 4) John Conyers
Step-by-step explanation:
The HR-40 bill, formally called the Commission to Study and Develop Reparations Proposal for African Americans, has been consistently introduced before Congress since 1989 by John Conyers.
This legislation aims to examine the issue of reparations for the injustices of slavery and discrimination against African Americans and to propose appropriate remedies. After the retirement of John Conyers, the bill has been taken up by Sheila Jackson Lee, who continues to advocate for its passage.