Continental System, buddy. Look it up
Answer:
The Middle Ages | The Renaissance and the Reformation. Introduction to the Reformation. The Reformation was a 16th-century movement in western Europe that aimed at reforming some doctrines and practices of the Roman Catholic Church and resulted in the establishment of the Protestant churches.
Explanation:
The two groups that fought each other in World War I became known as the Triple Alliance (the main forces were Germany, Austria-Hungary, the Ottoman Empire and Italy) and the Triple Entente (the main forces were Russia, Great Britain and France)