It was the "Oregon Train" that brought settlers to the Willamette Valley, sine although there were other smaller trails in the region, this was the most traveled by those wanting to start new lives and businesses in the region.
Explanation:
I think this question answer is he established an Islamic theocracy.
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After the civil war the single political entity was confirmed which led to more than four million enslaved Americans being freed. A more established federal government was also a consequence of the civil war.
C would be the correct answer.
