Question

Which was a cause of World War I?

A. Russia's race to industrialize threatened the economy of other European countries
B. Political revolutions in Europe left nations unstable
C. The second industrial revolution led to international rivalries
D. Europe's system of military alliances enlarged small conflicts

Answer 1

d

Step-by-step explanation:

Answer 2

Since Europe was filled with alliances, that would mean that if one country was attacked, part of Europe would go into war too. That contributed to World War I. Your answer would be D!