I think it is D if A is the top and D is the bottom
Answer:
They were attacked and killed by groups of German peasants.
Explanation:
The first sentence makes more sense. Id do the first one.
Without food people would all have to go back to raising their own farms and could not support cities and without money coming in and out through the cities economy would start to collapse. No society can live without an economy so then society would fall. Also if people did stay in the cities without food supply they would die of starvation and without people there can be no society. Stable food supply is necessary for society to survive.
It started on 1st of September 1939. It started by the German attacking Poland.