What ethnic tensions in Bosnia led to the assassination of Archduke Francis Ferdinand and launched World War I?
a.
A militant Serbian faction viewed Russia as a major political threat and vowed revenge for past injustices.
b.
The Serbians viewed the Austrians as foreign oppressors.
c.
When pleas for peace failed, the Serbian army nationalists began to mobilize with ally Russia.
d.
Germany saw the Archduke’s planned visit as an outright declaration of war.