Multiculturalism and Improvement in transportation can both be said to have a positive impact.
Step-by-step explanation:
The post second world war culture of Europe is defined by its increasing liberal attitude and the people of the countries being more open to foreign cultures in their nation.
This allowed for mass immigration and in turn made the societies multiculturalism and made more prosperous as a result of gathering the best minds from across the world.
The European life is also characterized by the open borders between the nations that wipe out the possibility of conflict and this openness of the conveyance has been a very integral part of this.