This is the 2155th most frequent Polish word.
polityce
"Polityce" means "politics" or "policy" (locative or dative case in Polish).
Here, 'polityką' is in the instrumental case of 'polityka', and it refers to the concept or field of politics in a general sense.
Interesuję się polityką i często czytam wiadomości.
I am interested in politics and often read the news.
In this sentence, 'polityki' is in the genitive case of 'polityka', and it relates to the enacted policies or governance strategies.
Mam mieszane uczucia co do obecnej polityki rządu.
I have mixed feelings about the current policies of the government.
This usage of 'polityce' is in the locative case of 'polityka', indicating the topic of discussion being politics.