By George Friedman
.........Two events shaped modern French strategy. The first, of course, was the defeat of Napoleon in 1815 and the emergence of Britain as the world's dominant naval power and Europe's leading imperial power. This did not eliminate French naval or imperial power, but it profoundly constrained it. France could not afford to challenge Britain any more and had to find a basis for accommodation, ending several centuries of hostility if not distrust.
The second moment came in 1871 when the Prussians defeated France and presided over the unification of German states. After its defeat, France had to accept not only a loss of territory to Germany but also the presence of a substantial, united power on its eastern frontier. From that moment, France's strategic problem was the existence of a unified Germany..............
