Answer:
The government tried many ways to stifle and control people during the WW1 era. Writers critical of the government had their mail or books detained, were put under close surveillance, or had their homes or offices raided. Some were jailed. Others were deported. This work, and the red scare of the post-war years, saw the birth of official state surveillance in 1919. In addition to press reporting, states attempted to influence opinion using a wide range of pamphlets, cartoons, and longer books.
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Answer:
In 1939, Germany and the Soviet Union secretly invade Poland.
