Answer:
1. Telegraph communications
2. Dynamite
3. Photograph
Explanation:
1. Telegraph communications - IMPACTED IN COMMUNICATIONS
On 25 July 1837 Sir William Fothergill Cooke and Charles Wheatstone successfully demonstrated the first electrical telegraph, installed between Euston and Camden Town in London.
2. Dynamite - IMPACTED IN CONSTRUCTION AND INDUSTRY
Dynamite was invented by Alfred Nobel, a Swedish chemist, in the 1860s. Prior to its invention, gunpowder (called black powder) had been used to shatter rocks and fortifications. Dynamite, however, proved stronger and safer, quickly gaining widespread use.
03. The Photograph - IMPACTED IN SOCIAL DEVELOPMENT
In 1826, French inventor Joseph Nicéphore Niépce created the first permanent photograph from a camera image.
