Answer:
Concentration camps served primarily as detention and labor centers, while extermination camps were killing centers for efficient mass murder.
The right answer for the question that is being asked and shown above is that: "C.secondary source documents that are useful in the study of history." the statement that describes the way photographs are considered by historians is that <span>C.secondary source documents that are useful in the study of history</span>
Answer:
Explanation: what are the choices
Civil wars broke out
Tensions between the super powers caused tensions in other countries who relied on the super powers, for trade, and support, also for countries politically dies to these countries.
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