The correct answer is: the presence of positive symptoms of schizophrenia.
Explanation:
Schizophrenia is a mental illnes, in which the sufferer may experience some early symptoms like depression, hostility or suspisciousness, inability to express joy, innapropriate laughter or crying, insomnia, etc... therefore we can clearly see and conclude that in Nelson's case his behavior is positive of the early symptoms of schizophrenia because of his delusional and irrational behavior.
The answer is B) 2 because the west at the time was known for healthy and fertile land and there when people were moving west they found that being farmers was a good lifestyle for them. From there it would lead into ranches and cattle herders
Answer: Know what the topic is, read through the questions, answer them to the best of your ability (start easy get harder), eliminate the obviously wrong.