Answer:
Lewis and Clark's expedition would likely not have been successful without Sacagawea's help, because they would not have been able to communicate with the Native American tribes they met along the way and therefore would have had trouble trading for horses and supplies.
Answer:
i think it is c cause that is what he is basically showing in the last sentence
Staff.on.br/jlkm/astron2e/AT_MEDIA/CH17/CHAP17AT.HTM<span> </span>
