"I guess the 'anti-communist' movement would fall under ideology" I would think that's your 'red scare' unless you're talking about something else. The "jewis

"I guess the 'anti-communist' movement would fall under ideology" I would think that's your 'red scare' unless you're talking about something else. The "jewish" one - thinking specifically of ww2 - it definitely was more of a biological component, as "how much" you were jewish, and from what lineage, made a difference. "jewish" is both cultural and may have a racial/biological component (imu).