At the same time, there were many uncertainties about moving to such a place as America, as stories had come back about failed colonies. There were fears that the native people would be violent, that there would be no source of food or water, that they might be exposed to unknown diseases, and that travel by sea was always hazardous. Balancing all this was a local political situation which was in danger of becoming unstable. The truce was faltering in the Eighty Years' War, and there was fear over what the attitudes of Spain might be toward them.