Causes of decline in production and trade of Gilan's Silk at the end of the Safavi government

Production and trade of silk decreased significantly at the end of the Safavi government. Since the beginning of the government, there were some factor were formed over time in Gilan area- as an important center for production of silk- that caused the decline and even destruction of producing this product in this important area.In the current research, it is tried to consider these factors or causes based on economic , political and social structure of Gilan and also performance of safavi representatives. At first we consider the inner factors or causes such as riots and movements, tax pressures, making Galan especial, transforming the center of Galan from lahijan as the most important producer of silk to Rasht , silk worm discases and not knowing the correct wag of keeping piled things and natural disasters and then we consider the external factors or causes such as selling crisis of silk that caused the production of common coins (gold and silver) and foreign trade be decreased and repeated invasion of Cossacks and Afghans. The research method was libraries and by referring to historical texts.
The main finding of the research shows that although invasion of Afghans has been as the most important reason of fall of the savafi government, the above- mentioned factors that decreased the production of Gilan's silk, have been effective in the fall and loss of powerful safavi government.