- 'China repeatedly threatens, more or less openly, to unilaterally change the status quo and shift borders in its favor,' says Wadephul ISTANBUL Japan and Germany on Monday pledged to “further” boost bilateral security cooperation, an official statement said. This was discussed during their first “strategic dialogue" in Tokyo, which was co-chaired by Japanese Foreign Minister Takeshi Iwaya and his German counterpart Johann Wadephul, who is on a three-day visit to Japan. Iwaya said the