By Krishna N. Das and Charlotte Greenfield NEW DELHI/ISLAMABAD (Reuters) -India and Pakistan have stepped back from the brink of all-out war, with a nudge from the U.S., but New Delhi's aspirations as a global diplomatic power now face a key test after President Donald Trump offered to mediate on the dispute over Kashmir,

The president's comments came after the two countries agreed to a ceasefire following weeks of escalating clashes.

US President Trump has pledged to mediate the long-standing 'Kashmir' dispute between India and Pakistan. But what does his track record say when it comes to solving conflicts between countries? Here'