What are the advantage of the inventions?

Revolution of ideas and arts inside countries or an area. It can promote more ideas and art. The Renaissance (a movement around the 14th-17th centuries) promoted new ideas in concepts like religion, and different styles of art, along with new inventions.

Inventions can change a whole era for the good, or better (like Nobel, the man who created dynamite, saw all the destruction he caused and created the Nobel peace prize)