So they wouldn't be stolen.
The Potsdam Conference<span>, 1945. The Big Three—Soviet leader Joseph Stalin, British Prime Minister Winston Churchill (replaced on July 26 by Prime Minister Clement Attlee), and U.S. President Harry </span>Truman<span>—met in </span>Potsdam<span>, Germany, from July 17 to August 2, 1945, to negotiate terms for the end of World War II.
</span>
Han in the Xiongnu were several of the battles from "133 BC to 89 AD". During the reign of the WU emperor where the Han Chinese won over the Xiongnu, before these battles the Xiongnu were a nomadic group that reigned in modern Mongolia.
During these battles political instability was generated, producing that the state of Xiongnu was divided in 2 parts and had crisis of successions, having massive revelations between its towns the Wusun, Wuhuan and Dingling.
In 60 BC Han China established the protectorate in the western regions beginning the decline of the Xiongnu reign.
I hope it helps you
A mussilum empire the empire was centered in turkey