During the 1970s and 1980s, the U.S.S.R. supported terrorist groups in West Germany and Italy, aided extremist movements across the Continent and around the world, and suppressed political opposition in Eastern Europe, including East Germany. Nevertheless, gas kept flowing west and hard currency flowed east, providing Moscow with funding that helped sustain the same Red Army that NATO had to be prepared to fight and the same KGB that Western security services competed against.