I think that the support of political economy of populism has overturned the society. the truth is that contemporary populism has taken root in most European societies.
I believe the answer is: Ethnocentricity.
ethnocentricity refers to the act of seeing our own culture as inherently superior compared to another culture. This often make people seeing the norms or tradition that exist in other culture by using our own as a standard. The more their culture deviate from ours, the more inferior we think their culture to be.
C. Women were unable to vote in history, fighting for equality got women the right to vote. It was a big step forward towards equality.