About 9.4 million in 1939.
Warsaw is in Poland.
from what i know they hid
Canada, The United States, and Israel.
yes, many European countries expelled Jews from their lands over the previous thousand years. Look up (for example) the inquisition.
Jews were allowed to work during World War 2 in the United States. However, in many European countries, they had to go into hiding and were not able to work.
People.See also:Why were many Jews so passive in WW2?Why didn't the Jews leave Europe before WW2?Why do you think many people didn't notice the harassment of German Jews before World War Two?
There were about 9.4 million Jews in Europe just before the start of World War 2 and a further 7 million or so elsewhere.
military conquest
Traditionally, they have been used as scapegoats in many European societies.
Because in Germany and many other nations across the world before the final solution was enabled they had hatred for the Jews. B/C of their fortune, and mostly because they were jealous
Generally, Jews from Western and Central Europe spoke the languages of the countries they lived in (such as German in the case of German and Austrian Jews, French in the case of French Jews), and many East European Jews spoke Yiddish.
Before the Holocaust, Jews faced persecution in much of the world, just not as bad as the Nazi persecution. Persecution was intense in Russia (both under the Tzars and the Communists). In Western Europe and the United States, Jews enjoyed relatively civil treatment, with many of the rights of citizenship, although there was still considerable legal discrimination against Jews even in the United States. Jews in Arab lands had second-class citizenship, although sometimes this allowed a comfortable existence comparable to that of European Jews. 200 years before the Holocaust, the Spanish Inquisition was still actively persecuting crypto-Jews, sometimes burning them at the stake, and Jews had no secure rights of citizenship in any country.