Move west because they couldn't pass the mississippi and thought the soil would be bad for farming
The answer would be Logos. This is a kind of appeal to reason or logic. When using this kind of appeal, it uses facts and evidence to persuade a the listener of the strength of your argument. This is different from pathos, which is an appeal to the emotions, whereas, ethos, from its word, uses ethics or credibility of the person making the argument.
