The colonists were unable to work together with themselves and the native americans. Conditions such as diseases and famine played a role in decreasing the probability of success. Conflicts with the Native Americans also lowered the success rate of Jamestown. The Jamestown Colony was only successful because the colonists had tobacco and also because they were lucky that the Native Americans weren't able to destroy it.
The Great Plains include theLlano Estacado, the Panhandle,Edwards Plateau, Toyah Basin, and the Llano Uplift. It is bordered on the east by the CaprockEscarpment in the panhandle and by the Balcones Fault to the southeast. Cities in this region include Midland and Odessa, Lubbock, and Amarillo.
The answer is bottom of the first essay last sentens