[DiogenesLamp]

This action was only authorized if the Charleston forces resisted the landing of provisions (only) to the fort.

And what was the probability that they would be resisted?

[Bull Snipe]

Ask that question to Jefferson Davis, he is the one to make that decision.

[DoodleDawg]

And what was the probability that they would be resisted?

Since Davis wanted a war I'd say 100%.