Final answer:
The illegal market in the former Soviet Union was extensive and encompassed activities like the production and transportation of drugs and alcohol. Proximity to major drug markets in the US and Europe contributed to the growth of the illegal drug trade.
Step-by-step explanation:
The extent and breadth of the illegal market in the former Soviet Union was significant. The illegal market encompassed various activities, including the production, consumption, and transportation of illegal drugs and alcohol, as well as other criminal activities linked to these substances. The illegal drug trade, in particular, was fueled by the opportunity to make substantial profits, which was encouraged by proximity to major drug markets in the United States and Europe.