The climate east of the Cascades is markedly different, a continental climate of cold, snowy winters and warm, dry summers. ... Climate also affects growing seasons in the Columbia River Basin. At higher elevations, the season can last as few as 30 days.
The answer to your question is Yes, the absolutism a period of properity or tyranny in Europe during the 16th and 17th centuries is yes
River Valleys, as these had the best soil for agriculture and were close to a major fresh water supply.
B. this can be traced back to supply and demand. The more demand the higher the price will become, so the producer will produce more of the product to fill the demand.