Name three people during antebellum era that weren't president that were helpful. And what did they do.

During the antebellum era (the period before the American Civil War), several individuals made significant contributions to society without holding the position of president. Here are three such individuals and their achievements:

1. Harriet Tubman: Harriet Tubman was an abolitionist and political activist known for her role in the Underground Railroad. Born into slavery herself, Tubman escaped and went on to help other enslaved individuals escape to freedom. She made numerous dangerous trips back into slaveholding states to guide people to free areas, ultimately leading around 70 enslaved individuals to freedom. Tubman also served as a nurse, scout, and spy for the Union Army during the Civil War.

To find more information about Harriet Tubman and her achievements, you can search for "Harriet Tubman" or "Underground Railroad" on reputable websites or visit libraries or museums that focus on African American history.

2. Frederick Douglass: Frederick Douglass was an author, orator, and social reformer who played a crucial role in the abolitionist movement. Born into slavery, Douglass escaped and became a prominent anti-slavery activist, writing several influential autobiographies and delivering powerful speeches that challenged the institution of slavery. He also advocated for women's rights and was a firm believer in the equality of all individuals.

To learn more about Frederick Douglass and his contributions, you can search for "Frederick Douglass" or "abolitionist movement" on reliable online sources or explore books and articles on African American history.

3. Dorothea Dix: Dorothea Dix was a social reformer and advocate for mental health reform. During the antebellum era, Dix worked tirelessly to improve the conditions and treatment of individuals with mental illnesses. She conducted extensive investigations into the poor state of mental asylums and successfully lobbied state legislatures to establish more humane facilities for the mentally ill. Her efforts led to the construction of several mental institutions and helped change public perceptions of mental illness.

To delve further into Dorothea Dix's work and achievements, you can search for her name or "mental health reform" on trusted websites or consult relevant books and scholarly articles on the topic.

Remember to critically evaluate the sources you find to ensure their reliability and accuracy.