It is due to their ability to adapt in the varying circumstances
Two things the GI Bill did for returning military personnel was giving them affordable education and providing affordable housing.
Napoleon replaced existing Monarchs with members of his own family. His aim was to replace existing empire with one of his, which would have made him and his family rule wholly. Resistance to to French occupation and French puppet rulers was often based on nationalist sentiments, but it's doubtful whether it would have remained a popular cause with the masses after Napoleon's final defeat.
By making steam engines a reliable power source
