There were a number of world changing developments in science and art that made the world turn into more skeptical and individualistic with the modern age.
Explanation:
The defining events of scientific innovation of the time period in question was
-the discovery of AC electricity and its regular usage
-The theory of relativity
-the discovery of the atom
-the theory of evolution
-The development of the airplane
These discoveries completely transformed the life of the common person of the time and make them get over their older values of life.
In art there were also massive developments happening
-The publishing of the Origin of the Species
-The publishing of Karl Marx's work
The work of Sigmund Freud
-The work Neitzsche
These works transformed the way people saw the world around them and became skeptical of their accepted values of morality and the society that surrounds them.
