Complex sentence: Matters were worsened by food shortages which had seemingly resulted from bad harvests but more importantly from unwillingness of farmers to bring products to the market at prices below the cost of production; however, the shortages were widely blamed on speculators, hoarders and price gougers.
Split into simpler sentences: Matters were worsened by food shortages that seemed to have resulted from bad harvests but more importantly from the unwillingness of farmers to bring products to the market at prices below the cost of production. Shortages, however, were widely blamed on speculators, hoarders and price gougers.