Where did tens of thousands of Jews from Northeast China come from in modern times?

188 1 In May, after the assassination of Tsar Alexander II, the anti-Semitic policy of the Russian government became more prominent. Under the intensified anti-Semitic policy, a large number of Jews in Russia were forced to start moving out of Russia. At that time, the northeastern part of China in Russia became the migration destination of Jews. Tsarist Russia's ambitious attempt to turn China into? Yellow Russia? , has been actively encouraging Russian Jews to emigrate to the northeast, northeast China? Russian? . So a large number of Jews began to appear and live in the northeast of China.