To what extend did the fall of the Berlin wall simplify the relationship between France and Germany, or destabilize it?

To what extend did the fall of the Berlin wall simplify the relationship between France and Germany, or destabilize it?

The essay must argue (stated clearly in the introduction) that the fall of the Berlin wall and the key events surrounding it (collapse of USSR and communism, reunification of Germany, end to cold war) did in fact simplify relations between France and Germany.