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US economic, military and political dominance is likely to decline over the next two decades, according to American intelligence agencies. Who will be the next world leader?
According to the National Intelligence Council (NIC) China and India will grow more powerful in the coming decades as the US weakens.
They also predict that the US dollar will no longer be the world's major currency and food and water scarcities will fuel conflict.
However, the report concedes that these outcomes are not inevitable and will depend on the actions of world leaders.