 Complete the following phrase:  Lwów Lviv was a multicultural city just before World War II, with a population of 312,231. The citys 157,490 ethnic Poles constituted over 50 per cent, with Jews at 32 per cent 99,595 and Ukrainians at 16 per cent 49,747. After the joint Soviet-German invasion of Poland on 1 and 17 September 1939, the USSR and Nazi Germany signed the 