A top Defense Ministry official has suggested that Japan, the U.S. and other countries re-examine their decisions to follow the “One China” policy that recognizes Beijing instead of Taipei, while also calling on democracies to stand up to growing mainland pressure on Taiwan.

Speaking during an online event hosted by the Hudson Institute think tank early Tuesday, State Minister of Defense Yasuhide Nakayama questioned whether the decisions made in the 1970s would be able to stand the test of time.

"Was it right?" he asked, noting that future generations would judge policymakers on the issue. "I don't know."