In the Meiji period that started in 1868. Before this year, Japan had really closed borders, they didn't have relations with anyone but with the beginning of the Meiji period they reopened their borders to foreign countries who brought industrialization to Japan.

Japan's economical growth was a spectacular growth after the Meiji Restoration.

China

Donald C. Hellmann has written:

'Japan and East Asia' -- subject(s): East (Far East), East Asia, Foreign relations, Japan

'China and Japan' -- subject(s): Foreign economic relations, Foreign relations

R. Drifte has written:

'Japan's foreign policy in the 1990s' -- subject(s): Foreign economic relations, Foreign relations