What is the fine-grained topic of the following text: The exchange of scientific papers between Thomas and Miller was routinely interrupted by a censor’s suspicions over “matter intended for publication in a neutral country.” Under the Defence of the Realm Act, passed just four days following the outbreak of hostilities with Germany, British censors were empowered to halt the dissemination of any material injurious to the war effort. Only return the topic.
Censorship of scientific papers under the Defence of the Realm Act during wartime.