The post offices

They knew spies might read the papers, hoping to find information which could help their country win the war.

Newspaper boys were a common sight during World War One. They used to buy newspapers from the publishers and sell them to the public for a profit.

Under the terms of the Defence of the Realm Act (a wartime law), newspapers were not allowed to print information which could be used by the enemy or which could make people feel unhappy about the war.