Final answer:
Ida Bell Wells-Barnett was a journalist and civil rights leader who championed the issue of lynching at the beginning of the 20th century.
Step-by-step explanation:
Ida Bell Wells-Barnett was a journalist, civil rights leader, and women's rights advocate. She was known for documenting and exposing the practice of lynching in the United States, which was a major issue she championed at the beginning of the 20th century. Wells-Barnett played a pivotal role in the anti-lynching movement and worked towards bringing attention to the racial oppression faced by African Americans.