Complex sentence: Despite the pressure of non-Polish administrations in Poland, who have often attempted to suppress the Polish language, a rich literature has developed over the centuries, and the language is currently the largest, in terms of speakers, of the West Slavic group.
Split into simpler sentences: Despite the pressure of non-Polish administrations in Poland, who have often attempted to suppress the Polish language, a rich literature has developed over the centuries. The language is currently the largest, in speakers, of the West Slavic group.