A person, typically one more remote than a grandparent, from whom one is descended:
The period immediately after the Civil War when the South rebuilt and the southern states returned to the Union. An amendment to the U.S. Constitution, ratified in 1868, granted citizenship to all born in the United States; this broad language included former slaves.
Answer:
The nullification crisis was a conflict between the U.S. state of South Carolina and the federal government of the United States in 1832–33. Calhoun, who opposed the federal imposition of the tariffs of 1828 and 1832 and argued that the U.S. Constitution gave states the right to block the enforcement of a federal law.
The internment of Fred Korematsu was unjustified. Korematsu was one of thousands of Japanese American citizens put into internment camps after the bombing of Pearl Harbor . Korematsu did not commit any crimes nor was he affiliated with the Japanese government at all.
This treatment would not be justified even if he wasn’t a citizen. Unless he committed a crime, his internment / constant surveillance is unjustified.