World War I, which lasted through Jul 28, 1914 to Nov 11, 1918.
https://www.history.com/topics/world-war-i/world-war-i-history
Info at the link
For Plato students the answer is
C. Earth is at the center of the universe and the Sun revolves around it.
What is urgent there's nothing to answer?
Answer:
Russia
Explanation:
after world war 1 when communist took over Russia was then called USSR: United Soviets Socialist Republic