According to the text, one reason environmental uncertainty is a threat to strategic managers is because it is a costly and time-consuming process. it creates a new playing field in which creativity and innovation can play a major part in strategic decisions. it forces the strategic manager to be more stable. it hampers their ability to develop long-range plans and make strategic decisions. there are too many uncontrollable variables. See Answer it hampers their ability to develop long-range plans and make strategic decisions.