 His party made it as far as Panama, but had to turn back to Nicaragua due to adverse weather.Lingering for a while in the Dominican convent of Granada, he got into conflict with Rodrigo de Contreras, Governor of Nicaragua, when Las Casas vehemently opposed slaving expeditions by the Governor.In 1536 Las Casas followed a number of friars to Guatemala, where they began to prepare to undertake a mission among the Maya Indians.