I have a question about Chaim Weizmann, the Zionist leader and founding Fathers of Israel. Please read below.?

Dr Chaim Weizmann helped Britain develop chemical weapons during World War 1. From Winston Churchill's Bio webpage, nearly 90,000 gallons of chemical weapons were used against the Germans every year from 1915-1918. Adolf Hitler, who was a German soldier, sustained injuries in the chemical attack. My question... show more Dr Chaim Weizmann helped Britain develop chemical weapons during World War 1. From Winston Churchill's Bio webpage, nearly 90,000 gallons of chemical weapons were used against the Germans every year from 1915-1918. Adolf Hitler, who was a German soldier, sustained injuries in the chemical attack. My question is...How much did Dr Weizmann's actions contribute towards anti-Semitism in Germany during and after WW1?
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