Latest "Cold war" stories
The Polish and Romanian leaders hailed Biden's appearance as a sign of U.S. support for their security.
The 1960 security treaty assures the U.S. would come to Japan's aid in the event of an outside attack on Japanese forces or territory.
Schultz was the longest serving secretary of state since World War II and had been the oldest surviving former Cabinet member of any administration. The former Marine Corps artillery officer was 100.
Putin's statement signaled deepening ties between Moscow and Beijing amid growing tensions in their relations with the United States.