In general after WWII women had to take traditional men's roles since entire male generation was gone and from then on it became the new normal. STEM is not phy

In general after WWII women had to take traditional men's roles since entire male generation was gone and from then on it became the new normal. STEM is not physically hard so it can be considered a more suitable field for women, also STEM paid less in USSR. http://blogs.bu.edu/guidedhistory/moderneurope/molly-wolanski/ http://blogs.bu.edu/guidedhistory/moderneurope/molly-wolansk...