What injustices are you trying to find out exactly?
The Romans (Julius Cease 55 B.C.)
The Anglo-Saxons (449 A.D.)
The Vikings (793 A.D.)
The Normans (French; 1066 A.D. Battle of Hastings)
Answer: the answer is 1726
Explanation:
<span>The complex web of european alliances contributed to the outbreak of world war i by forcing other countries into the war. To elaborate if "A" was friends with "B" then b got into a fight was "C" a would of course help his friend b, But b was friends with "D" and this lead to a never ending chain which caused all of Europe to be engulfed in war.</span>