Since ancient times, people from throughout Asia have brought to Japan their talents, knowledge and energy, helping to lay the basis for Japan's existence as a country. ↗
Freud's view is that all love is sexual in its origin or its basis. Even those loves which do not appear to be sexual or erotic have a sexual root or core. They are all sublimations of the sexual instinct. ↗
A major one which no one can overlook is technological and based on inventions and discoveries which have altered the whole basis of production and deeply affected social relations. ↗