More than 50 years of oppression and countless atrocities. If you are slowly killing a man by choking him and he stabs your eye in defense, is that provocation?

More than 50 years of oppression and countless atrocities. If you are slowly killing a man by choking him and he stabs your eye in defense, is that provocation? If Hitler bombed a some Germans and blamed it on the Jewish people, should rest of the world be okay with the Holocaust?