I got you cutie, turns out that President Adams was being unconstitutional while silencing the people. This went against the first Amendment.
The role that the silk road had on other civilizations is that since the silk road was a major trading point many people from many different civilizations would go there to trade their goods, especially the Chinese. The Chinese had something nowhere else did they had silk and spices and people would pay very high for those two goods.
You may want to reword your answer. I did not understand the way you phrased it. Apologies. :l
B. impact of the plague on population. I got u.