In Russia, World War I became the catalyst for the ovethrow of Czar Nicholas II and the rise of the Communist Party (Bolshevik Revolution) led by Vladmir Lenin. Russia became the first Communist country. Communism eventually spread to small countries near Russia and eventually spread to Cuba, China and Vietnam.
Can u explain a little more so that I can help pls
It demonstrated the importance of loyalty to ones country the answer is C.
<span>It allowed the Allies to win back Japanese territory by island-hopping.</span>