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.
Abiodun (Oyo ruler) Adeyemi. A prominent contemporary descendant was Dr. Ameyo Adadevoh. Abiodun (Oyo ruler) Abiodun (reigned 1770–1789) was an 18th-century "alaafin," or ruler, of the Oyo people in what is now Nigeria. Coming to the throne shortly after the Oyo subjugation of neighboring Dahomey, Abiodun soon found himself embroiled in a civil war over the goals of the newly wealthy state. Bashorun Gaha, the empire's prime minister and lord marshal, had used his power to pervert the constitutional terms of abdication in a bid to limit the powers of the "Alaafin" and gain more political power for himself. During Gaha's power play,