Why was it difficult for the Congress to fund its operations

It was difficult for Congress to fund it's operations because Congress relied on contributions from the states.

A. Congress relied on contributions from the states.

Congress was completely depended on augmentations of the capitals from the countries, which the nations were unwilling to provide because they didn't require to give up their resources for the means of funding to the congress. Moreover, the necessary authority was always quick of capitalists because of this, not many countries were participating.