One way that the Civil War battle tactics were different from previous wars was the use of
photography and air to ground missiles.
more accurate weapons and maps.
Morse code and poison gas.
trench warfare and more accurate weapons.

ok so u have2 basically

well we know that it was fought between america and the united kingdom based on that i assume people consider the second war of independence because brtiain and england (uk)   the uk is made up of england and i assume thats why it was considered that

how is this a question? but yes, they were. if i recall correctly, it was very handy for native americans to use buffalo skin.