Hostility

People have thought that Social Darwinism is the cause of racism. According to this belief, what is Hitler's motive to slaughter Jew? Is it Racism? Racism is the belief that one race is superior than the other. Hitler considered Jew culpable for causing  Germany's lost in World War One, and believed that Germany was belonged to "real" German. Therefore he was a racist. However, one remaining is : Did Hitler loathed Jews in order to inspire people to follow his lead?