Biden also noted that the Philippines was among U.S. allies to quickly condemn the Russian invasion of Ukraine.
The “One China” policy recognizes Beijing as the government of China but allows informal relations and defense ties with Taiwan.
He has said he wants to pursue closer ties with China, which has also sought to court him.
He sees a rising China as the most threatening economic and national security adversary to the United States.
The elder Marcos placed the Philippines under martial law in 1972, a year before his term was to expire.