<span>German submarines sinking the British liner Lusitania. </span>
Cultural diffusion is what i believe affected the European culture
Uh, I think you got the wrong subject. This is <em>History, </em>not Math.
Had Jewish ancestors. This was different from historic anti Semitism because it defined Jewishness as hereditary (race) rather than by practice (religion). Three categories of Jews were created: "Full Jews," who either practiced Judaism or had at least 3 Jewish grandparents, regardless of religious practice; "First Class Mischlinge" (Half Jewish), who had 2 Jewish grandparents, didn't practice Judaism, and didn't have a Jewish spouse; and "Second Class Mischlinge" (One Quarter Jewish) who had one Jewish grandparent and did not practice Judaism