Taiwan was Xi’s overriding focus. While Xi didn’t name Japan or ask Trump to pressure Tokyo directly, the people said, his discussion of the post-World War II order was an implicit reference to Japan as the losing party, showing the depth of his concern over the recent tensions.

Taiwan Premier Cho Jung-tai said on Tuesday that a "return" to China is not an option for the island's 23 million people, after Chinese President Xi Jinping pressed his country's sovereignty claims in...

But on Nov. 7, she told Parliament that an effort by China to blockade or invade Taiwan would be a “survival” issue for Japan, a term that has legal implications in Japan by permitting an overseas dep...