The Chinese invented the paper in 100 BC, which we use until today. Not only that, they're also responsible for the existence of gun powder and the old technology for printing which ended up making possible mass distribution of newspapers and books. They also created the compass and they were the first to use a seismograph, two contributions that are go beyond time.
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The Manstein Plan is one of the names used to describe the war plan of the German Army during the Battle of France in 1940. The original invasion plan was an awkward compromise devised by General Franz Halder, the chief of Oberkommando des Heeres staff (OKH, Army High Command) and satisfied no one. Documents with details of the plan fell into Belgian hands during the Mechelen incident of 10 January 1940 and the plan was revised several times, each giving more emphasis to an attack by Army Group A through the Ardennes, which progressively reduced the offensive by Army Group B through the Low Countries to a diversion
They included things like forbidding mixed marriages, or even just sex, taking away citizenship rights away from Jews, defining who was a Jew by ethnic blood rather than religion, restricting activities Jews could do to earn living, property ownership, and where they were allowed to live.