Oni Ryuu
King
I think you missed a post.The goods need to have a nation but they can be captured with nationless units. So the recipient needs a nationless unit to initiate the handover. Goods units need to be set to accessible by all nations. You can then remove them from the build menu by making them need an un-acquirable resource. An un-acquirable resource is done by having a strategic resource that doesn’t have a terrain type to generate on. I used the same un-acquirable resource that I used to remove railroad.
It did give me an idea though.
Land mine - No attack, no defence, no HP, immobile, invisible, no bombard button, 1 bombard range, ZOC, nationless, high ROF, and Airdrop OR 3.
It can only be deployed within your territory (or three squares from an airfield) and it can be a permanent nuisance until disbanded.