I think United States. If wrong I’m sorry
The French Revolution and American Revolution had some similar aspects; however, there are a lot of differences between these two wars. A main difference is the context of the war. The American Revolution was caused by a majority of the America population becoming unhappy because of how the British were ruling them.
Railroads not only led to an increase in the ability to transport raw materials, but they also led to an "<span>B. increase in the demand for raw materials," since it provided for far more opportunities to use such materials all over the country. </span>
I think it is Earthquakes