Answer:2 key details
Explanation:
The assault was in reaction to a speech in which Sumner criticized slavery and the Senators who supported it, including Andrew Butler, a relative of Brooks
The main impact De Soto's expedition was disease.The Native Americans did not have any immunity to European diseases since they had never been in contact with them. The most detrimental of illness was the smallpox. They also were introduced to animals such as horses, war dogs, and pigs.
The Silk Road greatly improved China’s economy and wealth .
I’m pretty sure this is the answer since I’m learning about the Silk Road, and learned that the Silk Road helped spread paper making which was influenced by the route, so I’m pretty sure that’s your answer. (I’m sorry if it’s not correct I tried) Hopes this helps!
I think they served as graves..