Complex sentence: As Prussia was defeated in 1807 and subjected to a harsh peace, in order to deliver a suitable propaganda message, the film begins in 1813 after the period of the Napoleonic Wars known in German as the War of Liberation.
Split into simpler sentences: As Prussia was defeated in 1807 and subjected to a harsh peace, in order to deliver a suitable propaganda message, the film begins in 1813. This is the period of the Napoleonic Wars known in German as the War of Liberation.