premise: Invasion literature was influential in Britain.
hypothesis: Invasion literature . The genre first became recognizable starting in Britain in 1871 with The Battle of Dorking , a fictional account of an invasion of England by Germany . The genre was influential in Britain in shaping politics , national policies and popular perceptions in the years leading up to the First World War , and remains a part of popular culture to this day . The Great War of 1892 was a story of the genre termed `` Invasion Literature '' written by Admiral Philip Howard Colomb in which he sought to alert Britain to what he saw as the weakness of the Royal Navy .