The two empires have traded for 1800 BC and they have gone to the place between China and Russia to trade. They traded happiness flies food clothing etc however some people died in the journey of trying to trade.
In total, the plague may have reduced the world population from an estimated 450 million down to 350–375 million in the 14th century.
The rise in the number of Labor Strikes led to a large fear of a rising Communist wave.To business owners, strikes symbolized the rise of the labor and poor which were used in the Russian Revolution to overthrow the aristocracy. Per the capitalist idea that the business owners followed, not everyone was meant to profit.