According to the passage, why was it helpful to the Corps of Discovery to have Sacagawea and her baby with them? A Sacagawea and her baby were a sign to native tribes that the Corps was not very wealthy or worth stealing from. B Sacagawea and her baby were a sign to native tribes that the Corps did not have any other people with them. C Sacagawea and her baby were a sign to native tribes that the Corps was very powerful. D Sacagawea and her baby were a sign to native tribes that the Corps was not violent.