No one argues that there are different traits between dog breeds. Some are smarter, some are more aggressive, but they are all still of the same species. Similarly humans of all types display morphological differences that suit environmental adaptation, leading to general inclinations towards :Intelligence, aggression, empathy, etc.
So if Asians as a race generally score higher on IQ tests than Blacks, that does not give Asians the moral justification to subjugate and eliminate the Black race. There are a lot of mouth-breathing degenerate shithead Asians, just as there are people of all races that exist on a range of the cognitive ability spectrum. When we talk about the differences between "races" we need to discuss how to help all peoples overcome the struggles and injustices of life.
We need to view other individuals with compassion and love if we are to defeat those that seek to divide and debase our moral character and national identities.
Look up the "Indo-European(Indo-Aryan) family language tree" to see the complexity and interconnections of the history of Human language, and how tribal and racial identity has morphed and died out over time as languages died or transformed.