What are facts or events that took place in the Sacajawea book?

In the book "Sacajawea," the narrative primarily follows the young Shoshone woman who serves as a guide and interpreter for the Lewis and Clark Expedition in the early 1800s. Key events include her pivotal role in navigating the rugged terrain of the American West, her courage in facing various challenges, such as treacherous river crossings and encounters with hostile tribes, and her ability to communicate effectively between different cultures. The book highlights her extraordinary resilience, contributions to the expedition's success, and the importance of her story in American history.