They present legal beliefs which present another point of view and additional information that aides interest groups.
Answer:
<u><em>A. vast, flat deserts made northward travel easier.</em></u>
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Explanation:
i got it from another question just like this one so if its wrong i'm sorry. they just keep saying in the comments that it was <u><em>A</em></u> . so if i'm wrong i'm sorry
<span>California, Utah, Nevada, Arizona and New Mexico
those are the states that united states gained after the mexican-american war. but from your options it would be letter A</span>