The historic communication — the first between leaders of the United States and Taiwan since 1979 — was the product of months of quiet preparations and deliberations among Trump’s advisers about a new strategy for engagement with Taiwan that began even before he became the Republican presidential nominee, according to people involved in or briefed on the talks.

The call also reflects the views of hard-line advisers urging Trump to take a tough opening line with China, said others familiar with the months of discussion about Taiwan and China.

Trump and his advisers have sought to publicly portray the call the president-elect took from Taiwan President Tsai Ing-wen ­on Friday as a routine congratulatory call. Trump noted on Twitter that she placed the call…

Immediately after Trump won the Nov. 8 election, his staffers compiled a list of foreign leaders with whom to arrange calls. “Very early on, Taiwan was on that list,” said Stephen Yates, a national security official during the presidency of George W. Bush and an expert on China and Taiwan. “Once the call was scheduled, I was told that there was a briefing for President-elect Trump. They knew that there would be reaction and potential blowback.”