She was a slave， a woman and an Indian. And America might not be what it is today without Sacagawea. Who was Sacagawea? Who has she become? And why does her legend live on? These questions are central to understanding Sacagawea， in her own right， in the context of the nineteenth century， and in today’s setting. Most of what is known of her life is from incomplete records and is therefore imbued with a great deal of legend and hearsay.