Representatives from 74 other nations signed the treaty at the Washington ceremony.
It numbered about 350 members; 308 bishops or their representatives signed.
Representatives of about 60 countries signed the treaty by the end of the day.
Only representatives of countries, not of international organizations, signed those documents.
The two representatives signed an agreement on cultural cooperation.
Representatives of 58 countries signed a nonbinding accord not to use children under 18 in wars.
The letter has gained bipartisan support, with more than 60 representatives from rural and urban areas signing it.
In 1987, representatives from 43 nations signed the Montreal Protocol.
Representatives of the nonunion employees signed on after that.
Many representatives from these nationalities were a part of the Committee and signed the Manifesto.