What role did railroads play in the industrial revolution?

a. they prevented britain’s rivals from establishing their own industrial economies.
b. they reduced urbanization by allowing workers to live far from cities.
c. they allowed europeans to travel quickly without relying on canals.
d. they spread industrial technologies and products across wide areas.

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

hope this

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