D. the movement of people from rural areas to cities.
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Answer:
Criminal law, Civic law, and Public law.
Explanation:
Circumstances that increase anonymity are likely to reduce stress.
The oncoming space race and the debate/research of going and exploring to find better improvements to Homo Sapian's lifespan.
A) a history textbook on the events of WW2
B) a book about the effects of WW1
Both are secondary sources.
