Complex societies supported trans-Saharan trade salt and gold had existed within the region since history, but introducing the camel to the Spanish Sahara within the 3rd century CE opened the thanks to significant changes within the area that became the Ghana Empire.
The Ghana Empire grew rich from this increased trans-Saharan trade of gold and salt, with larger urban centers to develop. Ancient Ghana comprised metropolitan Ghana and provincial Ghana made from states, which had been conquered and annexed.
The Govt of the provinces was within the hands of the kings of the conquered states except for security, the son of every vassal king, had to send to the court of the Ghana king.
Al-Idrisi points out that the traditional Ghana king went out a day on his horse and commanded everyone who had suffered injustice or misfortune to come back before him and stay there until they remedied the incorrect. They also practiced trial by sasswood or fetish.
“When a person is accused of denying a debtor having bleed or another crime,” testifies Al-Bakri, “a headman takes a skinny piece of wood, which is sour and bitter to taste and pours upon it some water which he then gives to the defendant to drink.”
“If the person vomits, his innocence is recognized and he’s congratulated. If he doesn’t vomit and also the drink remains in his stomach, they accept the accusation as justified.”
