Answer:
by first allowing there to be excess food supply. With extra food it caused a higher population, which then turned into people being able to trade in goods.Explanation:
Answer:
night terrors.
Explanation:
Night terrors refer to unexpected awakenings from non-REM sleep, which is characterized by extreme fear, panic and strong physiological arousal. Night terrors usually happen during stage four of non-REM sleep, which is the deepest stage of sleep and humans are least aware of outside stimulation.