 Complete the following phrase:  Charlton occasionally turned to wars from earlier periods or foreign wars not involving Britain, such as After the battle: Sedan, based on an incident in the Franco-Prussian War of 1870 described by Émile François Zola in La Debâcle. In this piece, Charlton chose one of his favourite themes, that of riderless horses after a battle, in this case in a mad gallop across the blank, silent country. Scenes from the Peninsular War and the English Civil War followed, while his painting of Prussian General Seidlitz at the 