The Senate bill would have halted aid if Colombia failed to punish abusive officers.
Armenia's western neighbor, Turkey halted humanitarian aid coming through its borders.
Congress halted military aid to the contras in February.
That means agreeing to halt military aid to the guerrillas as part of agreements being negotiated indirectly between Pakistan and Afghanistan.
He denounced the bill to halt aid as guaranteeing "political slavery for Nicaragua."
Soon, in terms that would be instantly recognizable to a World Bank representative, he is urging Castro to halt unconditional aid.
Foreign donor institutions which halted aid pending a return to civilian rule have largely continued their freeze.
South Africa, in turn, halted aid to Renamo at the beginning of this year, American officials said.
Halt foreign aid to communist countries and other dictatorships.
Japan had halted aid to Vietnam following the Vietnamese intervention in Cambodia in 1978.
