what effect did the assassination of Archduke Franz Ferdinand of Austria in 1914 have on the rest of Europe

A. it served as a wake-up call for European leaders and monarchs to enhance security both at home and abroad

B. it ignited a fuse of nationalism and set in motion events leading to World War 1

C. because the rest of Europe to begin negotiations on treaties and trade agreements with grab the tail part

D. it was the first of a series of political assassinations throughout Europe that eventually led to World War 1