Then you need to pull your head out of your (((Vatican II))) ass, and research.
Start here:
The Jewish Question in Europe: The Causes, The Effects, The Remedies
from La Civilta Cattolica, vol. VII, no. XIV. 1890 (Oct, Nov, Dec)
(English Translation, 1998)
http://catholicapologetics.info/apologetics/judaism/jewrope.htm