The summer of 1945 in the use of two atomic bombs on the Japanese cities of Hiroshimal and Nagasaki brought the war to close before another battle could take place
Your question is not clear, but I'm guessing what you are saying is "what is 23 'ten-thousands' "?
Well, the answer to that is 23 multiplied by 10,000.
23 x 10,000 is 230,000.
Most immigrants from Europe during the early twentieth came from the south and east.
Japan's Isolation policy was fully implemented by Tokugawa Lemitsu. He issued edicts that essentially closed Japan to all foreigners and prevented the Japanese from leaving.
--Hope this helps! Xx