Select all options that correctly explain why the civil war was called the first modern war
hot air balloons were used by the north to spy
armies could be moved quickly on railroads
a submarine was used
information about troop movements could be relayed quickly by telegraph

armies could be moved quickly on railroads

information about troop movements could be relayed quickly by telegraph

hope this helps good luck

the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,

people can see all information on a topic and believe it because of technology