The answer is being heuristic. Being able to cook without the use of strict measurements, but relying on one's past experiences and cooking wisdom in order to determine the correct proportions of ingredients is an example of being heuristic. Heuristic refers to being able to teach one's self base on someone's individual discovery or learning.
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!
Archaeologists have studied many of the ancient cities of the Mayans such as Tikal, Calakmul and Copan. They studied the glyphs left