sentences:  With the arrival of the Portuguese, who allied with their enemies, the Tupinambá, the Caetés migrated inland, and some settlements survived in the state of Pará, in Northern Brazil.The arrival of the Portuguese brought many hardships upon the Caetés, as well as the other tribes in the region, as they were now exposed to many of the European illnesses that the Portuguese brought with them, such as smallpox.In addition to being exposed to foreign diseases, the Portuguese began to enslave the indigenous people in large quantity.