I believe the answer is post-traumatic stress disorder
The subject and verb has to agree such as the boy runs
A dog on Buck’s team. Dave becomes ill on one of the team’s journeys but refuses to leave the harness, preferring to die pulling the sled. In his stubbornness at this task, Dave is an example of gritty determination
<span>not necessarily true or reliable, because based on personal accounts rather than facts or research.</span>
