<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 Ming dynasty had several politcal achievements. The dynasty sent out multiple sailing expeditions to explore and trade, overthrew Mongols, expanded the borders and also rebuilt the old capital at Nanjing. The answer to your quesion should be B, C, D, & E
Which of what? I’m at a loss
