How did assassination contribute to the start of WW1?

Although the assassination of Archduke Ferdinand was the spark that caused Austria-Hungary to strike the first blow, all the European powers quickly fell in line to defend their alliances, preserve or expand their empires and display their military might and patriotism.

Explanation:

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the ss was the main organization responsible for the genocidal murder of around six million people of european ethnic minorities, essentially jews, in the holocaust. the members of all its branches committed war crimes and crimes against humanity during the second world war (1939-1945). likewise, the ss were involved in commercial enterprises and exploited the inmates of the concentration camps as slave laborers.

the tortures and assassinations committed by the ss were the result of an ideology developed long before the armed conflict, this ideology was based on the racial supremacy of the germans over the rest.