It enabled the Berbers to dominate the desert.
Step-by-step explanation:
The Trans-Sahara trade refers to the trade between West African Kingdoms and Arab and Berber Kingdoms on Africa's Mediterranean coast. They mostly traded gold and traveled as far as Persia. They, mostly traveled in the dry deserts with the help of camels.
Gold was exchanged for salt from the Mediterranean. Berbers were mostly found in Morocco and Algeria. Arabs found the uniqueness of Berber merchants who were trained to fight against Spain. Saddles helped the Berber merchants to travel across the Saharan desert in order to carry on the trade. Saddles helped Berber merchants to carry the huge loads of spices and salt in exchange of gold in the trans Saharan route.