Because he thought people that were the same were the best people and in his past family were related and had a child and this kept going on so he was mentally insane in the head from this medical condition
hope this helped!!!!
Explanation:
The Race Classification Act. Every citizen suspected of not being European was classified according to race.
The Mixed Marriages Act. It prohibited marriage between people of different races.
The Group Areas Act. It forced people of certain races into living in designated areas.
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