Answer:
they agreed to the Adams-Onís Treaty, in which they gave up control of Florida, or ceded it, to the United States.
Explanation:
Answer and Explanation: Klemens von Metternich, the Austrian Empire's foreign minister, presided over the Congress of Vienna.
The <span>Emancipation Proclamation ended slavery and set all slaves free.
It was signed on September 22nd, which was soon after the Union's victory against the Confederates in the Battle of </span><span>Antietam.
It was this victory that prompted President Lincoln to pass the </span>Emancipation Proclamation.
So the answer is A. S<span>eeing the Union’s effectiveness at the Battle of Antietam.</span>
<span>In the 1780's John Adam served as a diplomat in Europe and helped negotiate the Treaty of Paris in 1783 which officially ended the American Revolutionary War which happened between the years 1775 and 1783.</span>