The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
European thought shaped Western civilization by the influence of monarchical kingdoms throughout all their regions. European monarch spread their history, culture, traditions, political and economic policies, expansionistic ideas, art, science, architecture, and more, in many western territories that they ruled at that time.
After medieval times, Renaissance impulsed arts, architecture, and sculpture all over Europe.
European colonists took those influences and ideas to the Americas, after the Christopher Columbus discovery of America on October 12, 1492.
Another important period in the history of Europe shaped the western world through its ideas in politics, society, government, and citizen's rights. We are talking about the Enlightenment.
During this period, brilliant minds like Voltaire, Baron de Montesquieu, John Locke, Thomas Hobbes, and Jean-Jaques Rosseau, influenced Independence movements such as the Revolutionary War of Independence and the French Revolution.