Answer:
the patriots I think but it's probably not lol
<span>A concrete operational thinker replaces intuitive reasoning with logical reasoning. Reasoning will be based on observable quantities and qualities, not the hypothetical. As and example , a concrete thinker would know that changing the shape of a lump of clay does not change how MUCH there is of the clay, as they can observer the clay.</span>
The Bill of Rights this is your answer
I believe the answer is: They thought it was animals.
At that time, the colonists still haven't been familiar with the local tribes in that area. By the time they realized that that the sound came from the native (as some sort of war cry that they do to initiate an attack) , it's far too late for them to run away.
