The Orthodox nobles' rights were nominally equal to those enjoyed by Polish and Lithuanian nobility, but there was a cultural pressure to convert to Catholicism, that was greatly eased in 1596 by the Union of Brest. See for example careers of Senator Adam Kisiel and Jerzy Franciszek Kulczycki.
যা ক্যাথলিক ধর্মের প্রতি সাংস্কৃতিক চাপ কমায়।
Union of Brest