<span>December 7, 1917.
Already at war with Germany, the United States officially declared war on Austria-Hungary; the US never declared war on the other two Central Powers, the Ottoman Empire and Bulgaria.</span>
The agreement averted the outbreak of war but gave Czechoslovakia away to German conquest.
About <span>6,000,000–11,000,000 people died in the holocaust</span>
Answer:
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Explanation:
