How did the events of world war ii contribute to the nazi holocaust of european jews?

Hitler hated Jews,so as soon as he took power he decided to create the well known camps,where in them he used to torture Jews in unimaginable ways. Most known camps are Dahau and Auschwitz,make sure to check them out. After that he took part at ww2.

It is the doctrine that the us had the right and duty to expand throughout north america. it just means they believed they had the right to expand westward and they did! they stated with the 13 colonies and then they kept moving gaining different territories throughout the years