Why was the civil war considered the first modern war?

Historians consider The American Civil War to be the first modern war. They regard it to be the first modern war because it was the first war where widespread use of mechanized and electrified devices like railroad trains, aerial observation, telegraph, photography, torpedoes, mines, ironclad ships and rifles occurred.

im going to go with b.

according to islamic belief there is only one god and muhammed is god´s messenger.

he was sent to introduce and instruct his people with god´s teachings : the 5 pillars of islamism. these are the five basic acts of islamic religious belief.

number one is the declaration of faith. this means there is only one god and one messenger.

number two is obligatory five prayers . number three is compulsory giving in order to achieve balance and encourage individual growth.

number five is fasting in the month of ramadan and the final number five pilgrimage to the mecca.