Answer:
Explanation:
(Czolgosz, a Polish immigrant, grew up in Detroit and had worked as a child laborer in a steel mill. As a young adult, he gravitated toward socialist and anarchist ideology. He claimed to have killed McKinley because he was the head of what Czolgosz thought was a corrupt government.)
Motive To advance anarchism (propaganda of the deed)
The two years prior to World War I in the region of the Balkans saw the rising of Serbian nationalistic Groups. Later came the assassination of the Archduke Ferdinand in the Balkan City of Sarajevo, main cause of the war.
Europe and asia, i know for sure.