With clear references to the criteria for fear appeals discussed in this unit, what makes these posters work for scaring their audience?

Unit 6 discusses fear appeals, and the criteria for successful fear appeals. These two ads are WWII propaganda and are examples of successful fear appeals. With clear references to the criteria for fear appeals discussed in this unit, what makes these posters work for scaring their audience?

Go to the website below and find another poster, provide the link to it, and make a case for which persuasive technique from aside from fear appeals, it is using to persuade.

Materials published by the U.S. Congress are in the public domain. These posters are courtesy of Northwestern University poster archives.

https://images.northwestern.edu/catalog?f[institutional_collection_title_facet][]=World+War+II+Poster+Collection+at+Northwestern+University+Library