U.S is a large land and powerful so they are involved in many historic events. Plus they have different resources and goods.
<span> Make certain that something shall occur or be the case</span>
<span>An adverb
clause is a group of words that works as an adverb (which answers the questions
when?, where?, why?, how?, how much? and under what condition?) and can modify verbs,
adverbs and adjectives.</span>
<span>
So the correct answer is "who received a good grade".</span>