Ur answer would be B. Trade Became Much Easier.
The approximate time is 10,000 years ago when homo sapiens began to use domestic crops and settle in one habitat. The transition from the hunter gatherers to crop growers was a very important change in the ancestor’s lifestyle since agriculture ultimately led to cultural evolution and the beginning of the first human civilizations.
The primary effect that destalinization had on Soviet satellite countries was that these countries filled a power vacuum with other political entities, much of the time leading to despotism.