Answer:
had gradually been solidifying into separate entities. When in June 1948 the Western authorities issued a new western deutsche mark, the U.S.S.R. retaliated by imposing a land blockade on Berlin, which was jointly administered by the four occupation powers but was physically an enclave within the Soviet zone. The West…
This resource might be helpful to you: http://www.adl.org/assets/pdf/education-outreach/Brief-History-on-Anti-Semitism-A.pdf
Anyways, antisemitism originates most popularly from Christianity, and an abhorrence its followers had (and some still have) towards their rival Judaism.
The League was created in 1920. The League of Nations were supposed to keep peace and act united. The people invloved did not listen because the goal of the league was to prevent another World War, but World War 2 happened anyway.
Hope it helps!