 Radović rapidly lead the NS into opposition with the Monarch, demanding freedom, democracy and more rights to the people and that the Parliament should be the supreme holder of national sovereignty, and the not the sovereign himself.Disgusted also by the worsening relations of Montenegro with the allied brotherly Kingdom of Serbia, Andrija Radovic went into opposition in the face of Nicholas and promoted national enlightenment of the Montenegrin people and the spread of Serbian culture, religion as well as literacy in Montenegro.He demanded that the long promised union with Serbia started to finally be enacted and worked to cooperate with the Serbs outside Montenegro, as well as other South Slavs, in an attempt to achieve total national liberation and unification.