 They stayed in the convent founded some years earlier by Fray Domingo Betanzos and studied the K'iche' language with Bishop Francisco Marroquín, before traveling into the interior region called Tuzulutlan, "The Land of War", in 1537.Also in 1536, before venturing into Tuzulutlan, Las Casas went to Oaxaca, Mexico, to participate in a series of discussions and debates among the bishops of the Dominican and Franciscan orders.The two orders had very different approaches to the conversion of the Indians.