 Complete the following phrase:  Lviv Polish: Lwów was a multicultural city just before World War II, with a population of 312,231. The citys 157,490 ethnic Poles constituted just over 50 percent of the population, with Jews at 32 percent 99,595 and Ukrainians at 16 percent 49,747. On 28 September 1939, after the joint Soviet-German invasion, the USSR and Germany signed the GermanSoviet Frontier Treaty, which assigned about 200,000 km2 77,000 sq mi of Polish territory inhabited by 13.5 million people of all nationalities to the Soviet Union. Lviv was then annexed to the Soviet Union. At the time of the 