The answer to this question is B. Hope this helps!!!
The correct option is this: CAMEL CARAVANS CARRIED GOLD AND OTHER RESOURCES FROM SUB SAHARAN AFRICA NORTH TO SEAPORT AND ALL THROUGHOUT AFRICA.
Camels, because of their abilities to survive the harshness of deserts were used as the animal of choice by merchants to transport gold and other resources from one point to another in Africa in order to sell these goods. Traders traveled and distribute their goods using camel caravans.<span />
A centrally planned economy oppose these basic economic characteristics- Property owned by private individuals, Market pricing determination by supply and demand forces, encouragement of competition among the companies and providing a wide range of choice to consumer.