Modern WS fully adopted in all developed countries (8 ene 1960 año – 17 mar 1969 año)
Descripción:
By 1960s, every developed nation had a core of WS instituions and every govt accepted responsibility for managing the economy.
Añadido al timeline:
fecha:
8 ene 1960 año
17 mar 1969 año
~ 9 years and 2 months