what did abigail adams do that still made her known as a hero today?

Answer 1

She was an early feminist. She wanted women to be given the vote as well as educational opportunities. She had supported independence from Britain and was opposed to slavery. She was also known for her correspondence. But it was as an advocate for women's rights that she is best remembered today.

Answer 2

http://www.whitehouse.gov/history/firstladies/aa2.html

http://en.wikipedia.org/wiki/Abigail_Adams

Try these. If that doesn't help, come back and ask again.