What is the fine-grained topic of the following text: The Inca emperors Túpac Yupanqui, his son Huayna Cápac and his grand-son Atahualpa had the same objective, to conquer the untameable and ferocious Huancavilca.The first settlement of Guayaquil took place in Quito, founded in August the 15th 1534, with the intention of replace it into a more appropriate territory for the activities of the conquest. Only return the topic.
Inca emperors' attempts to conquer Huancavilca and the founding of Guayaquil.