Answer:
D. Not enough countries willing to join it
Explanation:
The answer would be diseases! For ever 3 that died in battle, 5 died to disease!
It was important because it enabled countries to make steel cheaply and this was then used to make better tools and better machinery and it enabled the industry to prosper. This forced them to become imperialistic in order to get more resources to increase the scope of the revolution even more.
It was after the Battle of Antietam
answer: the buffalo served as their main sources of food, shelter, and clothing.
