Simplify the following text for a Grade 10 native English-speaking person.
Original: Adolf Hitler 's personal distaste for tobacco and the Nazi reproductive policies were among the motivating factors behind their campaign against smoking , and this campaign was associated with both antisemitism and racism .
Simplified: Hitler 's personal feeling of dislike for tobacco and the Nazi reproductive policies were among the causes due to which the Nazis started their campaign against smoking . This campaign was linked with antisemitism and racism .