By far the most commonly smuggled substances were varieties of spice. Although most kinds of spice were psychoactive drugs, and most forms were illegal under the Empire, the government's main concern was not to stem the flow of spice, but to collect taxes from its shipment and distribution through legitimate channels. Weapons were another commonly smuggled commodity within the Empire, whose bureaucracy strictly controlled weapons availability in order to prevent criminals and insurgents, in particular the Rebel Alliance, from becoming significant threats. Other cargo for smugglers included chak-root, stolen merchandise, and even clear water (smuggled to Rampa II). In extreme situations, smugglers delivered standard resources or food; for example, on Abregado-rae, smugglers supplied Separat