In the end, what causes the Great War to happen ?

The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. In June 1914, a Serbian-nationalist terrorist group called the Black Hand sent groups to assassinate the Archduke.

The assassination of Archduke Franz Ferdinand of Austria caused the war

Explanation:

World War I, also known as the Great War, began in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder catapulted into a war across Europe that lasted until 1918.

c) he felt the constitution clearly gave states this right.

the situation that best illustrates the principle the rule of law is the letter "c" which is when an a powerful government official is arrested for breathtaking the law.