TOKYO -- As Japan heads toward its longest postwar economic expansion, rising trade friction poses questions about the durability of a boom that has depended on the global economy and export growth.
Trade friction threatens export-driven growth as economy verges on postwar record

A Tokyo container yard. Japan's second-longest postwar economic expansion has been fueled by strong exports, which are now threatened by trade tensions.
TOKYO -- As Japan heads toward its longest postwar economic expansion, rising trade friction poses questions about the durability of a boom that has depended on the global economy and export growth.