Answer: The American Civil War was the first war of the modern age. The two sides used advances in communications and military technology to revolutionize the ways in which battles were fought. ... The arrival of railroads and telegraphs also changed the nature of battle.
<span>The answer is 7 years. It is one short of two presidential elections cycle.
Hope i helped you good :) </span>
The answer is D South Carolina
"<span>The North opposed the idea that a state could leave the Union, but the South supported it" is the best option from the list but all this had to do with the issue of slavery. </span>