"<span>D. an average of less than 10 inches of precipitation per year" is the proper answer</span>. Although it may seem off to call this area a desert, any area with that little snowfall is considered to be one.
They migrate due to altitudes during different times of the season
They begin to give people more rights out of fear of revolt. This happened in austria-hungary, prussia and many european powers.
To prevent communism from gaining ground in the region.