In no way is slavery the most important role. It is simply history as is Prohibition or the Salem witch trials.
Probably the wheel, along with the axle.
Missionaries
indo-european
the Incans
liberalism. Liberalism advocated for individual rights, political and economic freedom, and limited government intervention. It was a driving force behind movements such as the abolition of slavery, women's suffrage, and the democratization of political systems. Its influence can still be seen in modern democratic societies.
Western Africa
the mexicans
Probably the wheel, along with the axle.
Missionaries
The contributions of the western philosophers were quite significant especially in the western civilization. Most of the ideologies that are used in the world were developed by western philosophers.
The most outstanding legacy of the ancient Greeks to modern western civilization was in the area of philosophy and political philosophy. The latter can be best illustrated by the writings of Plato.
The most outstanding legacy of the ancient Greeks to modern western civilization was in the area of philosophy and political philosophy. The latter can be best illustrated by the writings of Plato.
The Rome civilization is American's most influenced government. This is in the Western part of the world.
A Western country.
The government
agriculture(PLATO)
There were several of them, but the most important would be the Aztec civilization.