Well, the chinese big secret was silk. So that would be my best guess.
<span>www.historyplace.com/lincoln/kansas.htm
</span>The Kansas-Nebraska Act<span> was passed by the U.S. Congress on May 30, 1854. It allowed people in the territories of </span>Kansas<span> and </span>Nebraska<span> to decide for themselves whether or not to allow slavery within their borders. The </span>Act<span> served to repeal the </span>Missouri Compromise<span> of 1820 which prohibited slavery north of latitude 36°30´.
</span>
Answer:
France was the first Country to sign the treaty
Nuremberg, Germany. B<span>etween 1945 and 1949</span>
Alexander Graham Bell and Antonio Meucci????
