<span>The Mongols, led by Kublai Khan, adopted the Chinese
imperialist system. This led to the establishment of the Yuan Dynasty. The
Mongol ruled China until 1368, after which they retreated to their
Mongolian homeland. Although China has seen major shifts in political power over the centuries, its ancient civilisation has remained largely intact.</span>
Soviet Union had its roots in Russia and it was 1922 - 1991 that's all I know sorry
Answer:
People benefit from Doctors and people benefit from the police.
Explanation:
We need these people so we can live.