Why is the Holocaust a great reason to support the current Canadian policy of multiculturalism?

Not only was antisemitism rife in Europe, it was also a government policy in the U.

S. and Canada during the 1930s and 40s. The Holocaust reminds us that this horror illustrates the extreme of prejudice. Multiculturalism teaches all of us respect for all cultures and religions.

http://www.fighthatred.com/historical-events/country-guides/411-a-look-back-at-canadas-anti-semitic-history-frederick-charles-blair