Complex sentence: They proclaimed the Orthodox faith to be the faith of Ukraine and independent of the patriarch of Moscow, designated theSluch River as the boundary between Ukraine and Poland, and recognized the need for an anti-Russian alliance between Ukraine and the Crimean Khanate.
Split into simpler sentences: They proclaimed the Orthodox faith to be the faith of Ukraine, and independent of the patriarch of Moscow. The articles also recognized the need for an anti-Russian alliance between Ukraine and the Crimean Khanate.