Answer:
1.b. 1940
3. a. Library.
4. b, The synagogue
Explanation:
Warsaw ghetto was established in November 1940 by the Germans within the territory of occupied Poland. At this territory, about 460,000 Jews were imprisoned there, in an area of 3.4 square kilometers. On September 8, 1944, the Germans blow up the building in Warsaw was the library building. The Nożyk Synagogue is the only survived prewar Jewish house of prayer in Warsaw, Poland. It was built in 1898-1902 and was restored after the end of World War II.
