This is the 15565th most frequent Turkish word.
tartışmasıyla
"With its discussion" or "with the debate of it."
In this sentence, 'tartışmasıyla' is used to describe the instrumentality or reason (with his discussion) through which the politician gained attention.
Politikacı, yeni düzenlemeler hakkında tartışmasıyla gündeme oturdu.
The politician came into the spotlight with his discussion about new regulations.
Here, 'tartışmasıyla' indicates the means by which the student group demonstrated their presence or relevance.
Öğrenci grubu, çevre sorunları konusundaki tartışmasıyla okulda kendini gösterdi.
The student group made themselves known at school through their discussion about environmental issues.
In this context, 'tartışmasıyla' signifies the means or instrument (with the discussion in the book) that the author used to have an impact.