In the light of your question I think it was a Russian success and the US is yet to achieve such achievements. During that time when the Cold War is in the climax between the two superpowers both competed not only in arms race but technological advances trying to outwit each other. The Russians gain the upper hand because they were able to make the things stated above before the United States but in the end the US was able to make also such things in their own ways and successfully outwitting the USSR in economy and world power.
Army was fierce and protective, girls received some education and women had more freedom than in other poleis. First, the army of Sparta was the strongest fighting force in Greece. ... The Spartans believed this made them strong and better mothers.
Compared to time in earth's history before humans appeared, rates of soil erosion are "higher", due mostly to the fact that some human activity associated with building structures adds to this erosion.
D: Gold seekers came from all over the world and became permanent residents
