Why did Dr.Samuel George Morton's research on brain size and race have such long-lasting and far-reaching effects?
A) because it reinforced and perpetuated dominant ideas about inferiority and superiority
B) because he was one of a handful of educated people conducting scientific research
C) because his findings replicated, and finally demonstrated conclusively, the results of earlier studies
D) because his findings were innovative and novel at the time and people were interested in unique perspectives

Question

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Dr. Samuel George Morton's research on brain size and race had long-lasting and far-reaching effects because it reinforced and perpetuated dominant ideas about inferiority and superiority. His work was used to justify discriminatory policies and practices towards marginalized groups, and his research was widely cited for decades after his death.

Answer: C 
 Another reason why Dr. Morton's research had lasting effects was that his findings replicated, and finally demonstrated conclusively, the results of earlier studies. His cranial measurements provided quantitative data that scientists and scholars of the time could use to support their preexisting biases and beliefs about race.

Why Did Dr