1) traders might be attacked by other civilizations and looters
2) They may disagree upon the pricing and the worth of traded items
3) One may want to get rid of a item, another may not want to buy it, resulting in hatred and eventually war if it becomes too 'aggressive'
hope this helps
Answer:
One of the earliest signs of the Soviet military buildup in Cuba was the increase ... Not all of those ships were owned by the Soviet Union. ... And when the crisis broke, cutting off the flow of Soviet ships arriving in ... To halt this offensive buildup, a strict quarantine on all offensive military
<span>Mansa Musa fortune by exploiting his country’s salt and gold production.</span>
Don’t touch that link and it’s because of their belief and the strong connection they have to god and the time they put into it.