Their relation was they thought that they were saviors.
Austria declared war on Serbia in a calculated response to the murder of Archduke Franz Ferdinand. There was much blame on both sides as to why war came about and what the true cause was, but the murder was the reason used.
Answer:
austrian- sebian
Explanation:
the first event that started ww1 was when a serbian peron assanated the prince or king of austria
