Answer:
Ottoman tolls made commerce less profitable.
Try using method cornell notes,use highlighters,make it simple or any other way that might help you understand your notes.
Traveling to and from cities became easier. (I think thats correct)
<span>When Lewis and Clark went on their expedition they talked to the natives about the government and attempted to make friends. They treated the natives well and gave them lots of gifts. They wanted to facilitate a good relationship and friendship.</span>