In a television reality show, trevor, the host, puts one of his contestants in a trance and asks her to pretend to be a famous singer. the contestant starts singing with confidence even though she has never sung publicly before. the contestant is in a state of:

Hypnosis.    

Explanation: Hypnosis is the hazy state in which intense concentration is generated. The state of relaxation and focus-orientation is felt by the person under the hypnotism. This state is achieved usually with the help of therapist and tools like repetition of words etc in repeated order.

The situation mentioned in the question states about the contestants being in the states of hypnosis because they are performing the singing act with focus even though they don't perform it in publicly.They are in trance-like state that can be signified as hypnotic state.

  is a trance-like state in which you have heightened focus and concentration. Hypnosis is usually done with the help of a therapist using verbal repetition and mental images. When you're under hypnosis, you usually feel calm and relaxed, and are more open to suggestions.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.