But for the United States, particularly due to the timing of the victory at New Orleans, the War of 1812 restored the nation's honor. ... Because of westward expansion and economic prosperity, the years immediately following the war would be labeled as the Era of Good Feelings.
The answer is B.
The Supreme Court case that found the use of the grandfather clause unconstitutional is the Guinn v. United States, 238 U.S. 347 (1915). In its decision, the Supreme Court ruled that the grandfather clause<span> exemptions to </span>literacy tests<span> were unconstitutional. It declared the grandfather clauses as </span><span>repugnant to the Fifteenth Amendment and therefore null and void.</span>
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they set up outside of major cites which emerged a new economical opportunity.
-Agarvated
