During the 13th century, the Mongols launched a series of devastating military raids on eastern Europe, especially in what is present-day Russia. This shaped the self-defense mentality of the region for centuries to come.
For Rome, the most serious consequence of the invasion of the Huns was:
B. The Huns attacked the Germanic tribes, who became refugees.
The Germanic tribes, who were fleeing the Huns, were driven into Roman territory and destroyed the Roman peoples and ousted their emperor.
In broad terms a stimulus triggers a reaction from someone. While a response is now we react. For example wayin your hand in someone’s face is a stimulus and the fliniching done by the other person is the response.
Answer: It's B the Mississippi River.
Explanation:
There were a number of important routes, but at the time rivers were the most important. The Mississippi, Missouri, Ohio, and Susquehanna rivers were all key modes of transport for northern goods heading to southern states. Several oceanic routes were also used, connecting northern ports like New York and Boston to southern ports like Charleston, Mobile, and New Orleans via the Atlantic Ocean and the Gulf of Mexico.
The least convenient route was overland, as roads were still of very poor quality and it was far less efficient to haul goods using carts and livestock when compared to using boats on waterways.