You're reading: Business Insider: Trump shakes up decades of diplomacy with 4 phone calls

President-elect Donald Trump has spoken to dozens of foreign leaders on the phone since he won the election.

The calls have been somewhat unorthodox.

Trump spoke with President Tsai Ing-wen of Taiwan last week, sparking an uproar considering it marked the first time a US president has directly spoken with Taiwan’s leadership in more than 30 years.

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