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Period: to
wwI
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assassination of franz ferdinand
franz was assanated by serbians causing tentions between serbia and austria hungary -
serbia joins wwI
because if tentions with austria-hungary -
austria-hungry enters war with serbia
because of the assassition of their archduke -
great britain joins the great war
because of trades/ alliances -
russia joins in the war
because of its trade and relation with serbia -
fance joins the war against austria hungary
because they become invaded -
belgium joins in the war
also because of alliances -
germany joins to fight with austria hungary
-
ottoman empire joins with germany and A-H
because it also has a trade and alliance with A-H -
italy breaks its nutrality and goes to war
because war is coming near its boundrys -
bulgaria joins ww1
because of relations with italy -
porugal joins because of war creeping near its border
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romania joins
because of treade with bulgiria -
greece joins
because of both bulgiria and romania