One of the main reasons why primary sources are valuable to historians is because "<span>They give insight into the thoughts and feelings of a participant in history," since these are sources that originated during the time in question, and are "unaltered". </span>
I think the last one is correct because Robert created ways trough Missouri River to get faster to the ocean
Communal living would be a society where everyone lived in the same community and shared everything. So the answer is A.
Please attach a map in order for us to do this. Just take a screenshot or clipping of your screen and attach it to your post with the paperclip icon.
