Which of the following was the basic premise of Bhakti Movement?

The mystic Saints of medieval India were the exponents of the Bhakti movement. They were not affiliated to any particular sect. They had no blind faith in any sacred scriptures, no device to set up separate sects, no loyalty to any particular creed. They attained greatness without following any ritual or ceremonies and through individual exertion. The exponents of Bhakti movement condemned idolatry and believed in monotheism. They thought that Bhakti or Single minded, uninterrupted and extreme devotion to God was the only means of Salvation.