A Holocaust was the genocide on the Jewish population during the Second World War- not what the question is asking for.
Rationing refers to the division of goods among people - it can be during the time of conflict but it was also present during socialism
A skirmish is a short battle.
So the best answer is a total war: a war in which the whole society is involved and needs to give up on some things for the war effort!
Cultural transmission, Innovation, Diffusion, and Technology.
Due to the external atmospheric pressure. Initially the pressure inside the can is balanced by the atmospheric pressure. But as the air is removed from inside, the external pressure dominates.
