Following the Civil War, the amount of currencies issued by state banks decreased due to <span>B. heavy taxes
I'm not 100% sure though!
Good luck :)</span>
B the US has an extremely extensive railroad system not Europe
It introduced the use of coal oil and natural gas as sources of fuel.
<span>This is of course somewhat of a subjective question, but in general most would agree that the Roman Republic owned its success more to the military, because this is how it was able to claim territory. </span>
