Which event most contributed to the outbreak of World War 1? A. The reduction of military forces by states that did not take the
threat of war seriously
B. Popular nationalist uprisings that brought down Europe's large
empires
C. Rebellions in African and Asian colonies controlled by European
powers
D. The development of a complex network of European military
alliances

The answer is B, plain and simple. The national movements in Austria-Hungary had caused a divide in the empire and were ultimately the cause of Arch-duke Franz-Ferdinand's assassination  which kickstarted the war.

a, he promoted disarmament

the foundation of greek city-states: following the fall of the mycenaean civilization in the 10th century bc, the area surrounding the empire went through its own mini dark ages. answer and explanation