Twenty-three other nations promised to sign later.
By contrast, Western European nations have already promised steep cuts in fossil fuel burning.
In return the gentile nations promised not to persecute the Jews.
Both nations also promised to work towards an ending of the international slave trade.
On Wednesday, industrialized nations and aid groups promised Macedonia at least $250 million in assistance.
Although they disagreed on where to mark their border, the two nations promised to work it out.
Other nations had promised to follow the U.S. lead.
The agency effectively agrees to co-sign loans, which the nations then promise to use to buy American farm goods.
Still, each nation promised "decisive action" if economic weakness continued.
This financing must be in addition to the resources that the rich nations have already promised for fighting poverty.