Oyo Empire gunshots scared the Oyo cavalry horses and prevented their charging. Dahomey's army also built fortifications such as trenches, which forced the Oyo army to fight as infantry. The battle lasted four days, but the Yoruba were eventually victorious after reinforcements arrived. Dahomey was forced to pay tribute to Oyo. The Yoruba invaded Dahomey seven times before finally subjugating the small kingdom in 1748. With its cavalry, Oyo campaigned successfully in conquest and suppression over great distances. The Oyo army was able to attack defensive fortifications, but it was harder to supply an army, and they withdrew when supplies ran out.
Oyo Empire Oyo Empire, usually the Alaafin's oldest son succeeded his father to the throne. But, this sometimes led to the oldest son, i.e. the first-born prince, the Aremo, hastening the death of his father. Independently of the possible succession, the Aremo was quite powerful in his own right. For instance, by custom, the Alaafin abstained from leaving the palace, except during the important festivals, which in practice curtailed his power. By contrast, the Aremo often left the palace. This led noted historian S. Johnson to observe: "The father is the king of the palace, and the son the King for the