Since diplomatic interposition no longer availed, American marines were landed in Nicaragua, and the bumptious Zelaya was induced to have his country meet its neighbors in a conference at Washington.

Under the auspices of the United States and Mexico, in December, 1907, representatives of the five republics signed a series of conventions providing for peace and cooperation.

An arbitral court of justice, to be erected in Costa Rica and composed of one judge from each nation, was to decide all matters of dispute which could not be adjusted through ordinary diplomatic means.

Here, also, an institute for the training of Central American teachers was to be established.
Annual conferences were to discuss, and an office in Guatemala was to record, measures designed to secure uniformity in financial, commercial, industrial, sanitary, and educational regulations.

Honduras, the storm center of weakness, was to be neutralized.