The best options from the list would be that "c. People divide up necessary labor," "d. People have begun to build cities" and "<span>b. People have learned to farm and grow a surplus of food," since all of these aspects lend to the stability of the civilization in question. </span>
The best options from the list would be that "c. People divide up necessary labor," "d. People have begun to build cities" and "b. People have learned to farm and grow a surplus of food," since all of these aspects lend to the stability of the civilization in question.
A failed revolution in Germany" is not true. The revolution that was taking place in German was in fact quite good at mobilizing workers, unfortunately mostly for militarization.