Native American tribes, weather, the tail itself, illness, loss of food or cattle, and the distance of the trail for the time people were walking.
I believe the answer is: self fulfilling prophecy
Self fulfilling prophecy refers to the prediction that somehow makes itself become true/fulfilled. Other example would be when a person is inherently believe that he is somehow intellectually inferior and cannot do anything to improve their get. This often lead him to not making any efforts since he believes it pointless, which lead to self-fulfilling his initial opinion about himself.
Answer: This is an example of problem-focused behavior coping.
Explanation: When a problem arises in day-to-day life, irrespective of at work or at home, the behavior tends to change and may bring prolonged sadness. To cope up with this behavior knowing full well that it may cause loss, the problem, not the feelings, needs to be focused in order to find out solid solutions to it. This approach is thus called a problem-focused behavior coping approach.
John Smith Persuaded Powhatan of his innocence of violence towards the natives after he was ambushed by the Indians and brought forth to their leader,Powhatan. He convinced them that the settlers were peaceful and meant no harm towards his people. Despite the later ongoing events.