The answer would be the first one
The Nazis established killing centers for efficient mass murder. Killing centers were almost exclusively “death factories.” They are also referred to as “extermination camps” or “death camps.” Nazi concentration camps, by contrast, served primarily as detention and labor centers. At the killing centers, Nazi officials employed assembly-line methods to murder Jews and other victims. German SS (Schutzstaffel; Protection Squadrons) and police murdered nearly 2,700,000 Jews in the killing centers by asphyxiation with poisonous gas or by shooting.
Answer:
Andrew Jackson, generally in favor of states' rights, saw nullification as a threat to the Union. In his view, the federal government derived its power from the people, not from the states, and the federal laws had greater authority than those of the individual states.
Explanation:
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