Why is the dollar so powerful? | CNBC Explains

For more than seven decades, the United States dollar has been the world’s reserve currency, with a majority of international transactions using the greenback. CNBC’s Uptin Saiidi explains how it became so strong and explores whether its position could be threatened. ----- Subscribe to us on YouTube: cnb.cx/2wuoARM Subscribe to CNBC International TV on YouTube: cnb.cx/2NGytpz Like our Facebook page: www.facebook.com/cnbcinternational Follow us on Instagram: www.instagram.com/cnbcinternational/ Follow us on Twitter: twitter.com/CNBCi

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