What you are asking from me is even more difficult than predicting the past, a past which is ever rewritten by politicians and “thinkers” in search of self vindication.
The shift I would imagine – and hope for – in 2050 would be that social
rules would become more equitable within nations AND among them in a world subjected to ever growing income and social inequalities between the haves, have less (i.e. the middle classes) and the have nots. The lessening of social inequalities and of the arrogance of those who want more and more at the cost of giving less and less IS the prerequisite to long term peace among nations and to stability – not to talk about happiness – within our own societies. And a crucial condition to the long term success of globalisation as a way towards fulfilling hopes of peoples and nations and not the greed of a few.

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“I know my place”, The Frost Report,1966
Author: Patrice De Beer