Answer: A. WWII was a global war, with battlefronts in many countries, and the war had a dramatic impact.
Step-by-step explanation:
The text to identify the central idea is "Introduction to World War II"
World War II began in 1939 as a consequence of multiple situations throughout the world. In Europe, Germany was paying the consequences of having lost the first world war and a feeling of resentment was growing among the population. In Italy, a Fascist political system grew that also had an imperialist feeling. In Asia, Japan also had a strong imperialist sentiment that encouraged it to invade its neighbors; Korea and China.
Other situations also brought the war to the Middle East, and Africa. And later, the United States of America also became involved in the war.
Due to this, the Second War can be considered as a global fight with different countries involved, different battlefronts, and dramatic consequences worldwide.
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