 Complete the following phrase:  The 1970s were the competition between Yugoslavia and the Soviet Union. During the decade Yugoslavia won three gold medals and the Soviet Union taking out the remaining two. After the Soviets took out 1971, the 1973 edition would finally see Yugoslavia take out their first championship after Spain defeated the Soviets in the semi-finals to qualify for their first final since the first edition way back in 1935. Yugoslavia would finally have a chance to defeat the Soviets as at home, they would get the chance to defeat them and they did as they won by six points to take home 1975 edition. After following that up in 1977, the Soviets would get their revenge in the final round at 