Welcome to the infographic: the problems with public goods.
There are three different types of public goods
1) Non-excludable - once these are provided these cannot be taken away. (clean air, and streetlights)
2)Non-rivalrous - This says a person use does not prevent another use.
3)free riders - The problem... benefit without contributing.
Western Political Solution
Liberalism - Balances individual freedoms with responsibility
This Institutions coordinates so that public goods can exist.

Different philosophers who helped shaped western Liberalism
What Kind of Life Should Liberal Systems Provide?

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Rousseau: Civic virtue, equality, collective freedom.
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Smith: Moral prosperity, fair markets, stability.
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Mill: Maximum liberty, individuality, protection from tyranny.
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Rawls: Fair equality of opportunity, justice for all.
about liberty
All of these authors want the same thing. They want the new generations to be able to have liberty and the presume of happiness. All of these speakers want what is best for the new generations of the west.
Takeaways
Liberalism in the west is a solution to the public good problem because of the pursuit of freedom, fairness, and institutions. This is what makes a society thrive.