India, Jan. 7 -- Donald Trump is defined often as unpredictable - the word "mercurial" is preferred by diplomats and politicians - but there appears to be at least one clear pattern in his administration's foreign policy, which analysts suggest is fueled by his decade-long desire for the Nobel Peace Prize.

Trump has seen at least four previous US presidents receive the honour, in including Barack Obama whose joke at a party is often meme material for why the real estate tycoon ran for President at all.

His pursuit of a "peace" legacy appears now to be influencing high-stakes decisions: from trade tariffs on India to leadership transitions in Venezuela. And he has made no secret of his desire, stating it upfront in press conferences to T...