Answer: the task demands
Explanation:
According to Land and Hayhoe, thee most important factor in determining fixations when a person is making a peanut butter sandwich is the task demands.
It should be noted that the stimulus colors, orientations or the stimulus contrast levels isn't the appropriate answer.
People migrate to the new lands, populate, build cities, created businesses, trade, settle.
Answer:
Italy long coastline had many major trade centers
