At the close of the 19th century, European powers were busy conquering and colonizing much of Africa. In what is today Benin, the main colonial power was the French Third Republic. The French had established commercial ties with the indigenous peoples of the area including one of West Africa's most powerful states at the time, the Kingdom of Dahomey. In 1851, a Franco-Dahomean friendship treaty was ratified allowing the French to operate commercially and missionaries to enter the country. By 1890, the Fon kingdom of Dahomey was at the height of its power. It laid claim to almost all the coast of modern Benin plus much of south-central Benin as far north as Atcheribé. One of Dahomey's most important tributaries was the small kingdom of Porto-Novo near the coast. The kingdom had been at odds