Any particular siege?
Basically, a siege could have to principals outcomes: either the enemy gave up, being tired and lacking food and other resources, or the sieged place fell, either because they had to give up due to running out of food or by being attached and directly overpowered.
Financial Resource -
Managing capital funds and cash flow, collection, and payment of debts.
Answer:
congress didn't have the power to tax, or to regulate foreign and interstate commerce.