Rail transport in the Soviet Union the Soviet Union collapsed. Twenty other stations were under construction in 1985. The country's rapid transit system was the most intensively used in the world. The Soviet Union was a pioneer in the development of the diesel locomotive to replace the steam locomotive (dieselization) on non-electrified lines. But the USSR failed to make steady progress and while they lead the United States at first, they soon fell behind and their last steam locomotives were retired about 15 years later than for the US. The first mainline diesel locomotive in the world began running in 1924 in the USSR but it
History of the Jews in Russia other destinations, most notably the United States. In 1989 a record 71,000 Soviet Jews were granted exodus from the USSR, of whom only 12,117 immigrated to Israel. At first, American policy treated Soviet Jews as refugees and allowed unlimited numbers to emigrate, but this policy eventually came to an end. As a result, more Jews began moving to Israel, as it was the only country willing to take them unconditionally. In the 1980s, the liberal government of Mikhail Gorbachev allowed unlimited Jewish emigration, and the Soviet Union itself collapsed in 1991. As a result, a mass emigration of Jews from