Eleanor Roosevelt was a profoundly influential and important figure in American history due to her significant contributions in various domains:

1. Human Rights Advocate: Eleanor Roosevelt played a pivotal role in the drafting and adoption of the Universal Declaration of Human Rights by the United Nations in 1948. As the chair of the UN Human Rights Commission, she championed the principles of equality, freedom, and dignity for all people, leaving a lasting legacy in the field of human rights.

2. First Lady Activism: As First Lady during her husband Franklin D. Roosevelt's presidency, Eleanor redefined the role by actively engaging in social and political issues. She was a strong advocate for civil rights, women's rights, and workers' rights, using her platform to promote social justice and equality.

3. Diplomacy and International Relations: Eleanor Roosevelt conducted diplomacy on behalf of the United States, traveling extensively and meeting with world leaders. Her efforts helped strengthen international relations during pivotal times, including World War II and the post-war period.

4. Civil Rights: She was an outspoken advocate for civil rights at a time when racial segregation and discrimination were deeply entrenched in American society. Her support for civil rights leaders like Martin Luther King Jr. and her resignation from the Daughters of the American Revolution when they refused to allow Marian Anderson, an African American singer, to perform in their hall, demonstrated her commitment to racial equality.

5. Women's Empowerment: Eleanor was a champion for women's rights, advocating for equal pay, opportunities in the workplace, and greater representation in politics. She co-authored the UN Declaration on the Elimination of Discrimination against Women.

6. Journalism and Writing: She authored a popular newspaper column, "My Day," which provided insights into her views and activities. Her writing, including books and articles, had a profound impact on public opinion.

7. Education and Advocacy: Eleanor Roosevelt was a strong proponent of education and served on the board of numerous educational and humanitarian organizations. She used her influence to improve access to education and healthcare.

8. Humanitarian Work: During World War II, she traveled extensively to visit troops, provide comfort to families, and report on war conditions. She also supported refugees and displaced persons through her work with the United Nations Relief and Rehabilitation Administration.

Eleanor Roosevelt's tireless advocacy for human rights, social justice, and equality left an indelible mark on American society and the world. Her legacy continues to inspire activists, leaders, and advocates for a more just and inclusive society.