it would appear that efforts to develop the developed country's need to be revised because the least developed countries are also to blame the mechanisms used the vicious circle of poverty
It would appear that efforts to develop the least developed countries need to be revised because, although the least developed countries are also to blame, the mechanisms used to break the vicious circle of poverty appear to be ineffective.
It would appear that efforts to develop the developed countries need to be revised because, the least developed countries are also to blame, the mechanisms used the vicious circle of poverty appear be ineffective.