Answer:
The correct answer is ''Terrorism''.
Explanation:
Invasion literature is the name given, in the field of literature, to a spefici type of literary genre that became popular during the years just before the First World War. This type of genre focuses primarily in the production of anxiety regarding hypothetical invasions by foreign powers at national level. However, nowadays the writers among this genre nowadays focuses in the more common aspects of today, like mostly terrorism, an example of it is the novel Black Sunday written by Thomas Harris.
