Answer:
Communications and Transport.
Telegraph.
Aerial reconnaissance.
Railroads.
Army ambulance corps.
Weapons and Ships.
Long-Range Weapons and the Minie Bullet.
The Gatling Gun.
Because inventing stuff is something that can be useful for the economy and if you create something helpful many people can use it and you can be solving peoples problems by inventing.
The death of William Henry was believed to have been caused by pneumonia<span>.</span>
Answer
Horace Mann is one the other is Margaret mead
Explanation:
