Opportunity cost is the loss of other alternatives when one alternative is chosen. It represents the benefits an individual, investor or business misses out on when choosing one alternative over another. An example is when I choose my career path. The opportunity cost represents all the other career paths that I did not choose.
This would be Hitler's Final Solution
Hope this helps :)
edg says that it is not A
periodization Periodization is a useful tool in studying history because it helps to divide the time periods into distinctive blocks of time. We can use this to reference the culture or distinctive movements in society at the time.