Which events sparked World War I? Check all that applyNationalism increased tensions in the Balkan peninsula.The assassination of Archduke Ferdinand angered Austria-Hungary.Russia’s mobilization plan called for an invasion of France through Belgium.Alliances caused a chain of events that pulled each county into war.Serbia declared war on Austria, which caused Austria’s allies to go to war.
Answer
A
Nationalism increased tensions in the Balkan peninsula.
B
The assassination of Archduke Ferdinand angered Austria-Hungary.
C
Russia’s mobilization plan called for an invasion of France through Belgium.
D
Alliances caused a chain of events that pulled each county into war.
E
Serbia declared war on Austria, which caused Austria’s allies to go to war.