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 Russia (1991–present) President of the United States George W. Bush in which the two described each other as "friends". Obama was viewed by many analysts as weak in the way he handled Putin, including some members of his own party . Mark Hollingsworth & Stewart Lansley, Londongrad: From Russia With Cash, 2009, 4th Estate History of Russia (1991–present) The history of Russia from 1991 to the present began with the dissolution of the Soviet Union (USSR) on 26 December 1991 and the establishment of the Russian Federation. The Russian Federation (RSFSR) was the largest republic within the USSR, but until 1990 it