Great Britain, Spain, Russia, and the United States. By creating the Adams-Onís Treaty with Spain- treaty included the Spanish setting their border to the California norther border and left all allegations to Oregon Country.
An archaeologist deals with human history. A paleontologist studies fossils. and an anthropologist studies with past and present humans
The answer is A based on the passage's mention of the different acts
I think he wanted to be able to read and write