A furniture factory gets its wood from a lumberyard, which depends on a sawmill. Emile Durkheim would call these dependencies Organic solidarity.
So correct option is C.
Coup of 18–19 Brumaire, (November 9–10, 1799), coup d'état that overthrew the system of government under the Directory in France and substituted the Consulate, making way for the despotism of Napoleon Bonaparte. The event is often viewed as the effective end of the French Revolution.
It's technically false that the fall of the Berlin Wall symbolized the end of communism since communism still exists, but it did mark the end of communism in Germany.