Answer:
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Explanation:
The event that caused the Southern states to secede was the election of Abraham Lincoln as the President of the United States. Many maintain that the primary cause of the war was the Southern states’ desire to preserve the institution of slavery.
<span>The National Firearms Act</span>
The main reason why the United States was able to assert itself on the World Stage after WWII was because the US emerged from the war with an incredibly high GDP, thanks mostly to war-time spending. This allowed the US to act as a world leader because so much else of the world had been crippled economically.