Vaishnava Samhita. Shri Vallabhacharya Charitam I. Vol III Book VII Chp 1 Shlokas 3 - 4

देशेsस्मिन् यवनाक्रान्ते कलिकल्मषदूषिते |
जनेप्यधर्मभूयिष्ठे कृपया भगवान् हरिः ||
उद्धारणाय सर्वेषां जनानां भवसागरान् |
श्रीमद्भागवतं दिव्यमेकमालंबनं ददौ ||

When this country was occupied by the mlecchas and became despicable due to the spread of the vices of Kali, people in general developed a leaning towards adharma. Then Bhagavan Hari gracefully extended the Shrimad Bhagavatam as a hold to lift ashore the people fallen into the ocean of samsara.