Soviet and USA didn't share much culture during the cold war They certainly shared patriarchy which has been around a lot longer than the cold war. You haven't

Soviet and USA didn't share much culture during the cold war They certainly shared patriarchy which has been around a lot longer than the cold war. You haven't provided much in the way of numbers being 'the same' but the comparison would also be skewed by these countries' significantly different gender ratios, on top of many other factors.