Http://www.socialstudiesforkids.com/articles/worldhistory/athenssparta.htm
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Answer:
The assassination of Franz Ferdinand stoked old tensions beyond the Balkans. The crisis spread as other powers pledged support for either Austria or Serbia. Austria knew that conflict with Serbia would likely involve Russia, which saw itself as Serbia's protector.
It is A it starts with trial ,court of appeals, and finally the supreme court
