Which invention, from France, changed the course of the Civil War?

The Civil War was fought at a time of great technological innovation and new inventions, including the telegraph, the railroad, and even balloons, became part of the conflict. Some of these new inventions, such as ironclads and telegraphic communication, changed warfare forever.

the answer is "focused on"

lol gave an answer 1 week that's the answer for those who need it in the future xd

the answer is actually b.   as habitats are destroyed, animals and plants may become extinct.   , according to edge nuity