In 1936 the same year this propaganda was published, Germany occupied the Rhineland (land that was taken away from Germany following WW1). How might that event have influenced this piece of propaganda

On 7 March 1936 German troops marched into the Rhineland. This action was directly against the Treaty of Versailles which had laid out the terms which the defeated Germany had accepted. This move, in terms of foreign relations, threw the European allies, especially France and Britain, into confusion.

declare war, appoint military officers, sign treaties, make alliances