The most accurate response would be:
The death of Lenin was a period of transition for the new USSR. Economic and power struggles meant that the country was wrestling with its existence. In this struggle, Lenin’s Cult of Personality emerged as an anchoring point.
This option recognizes the significant instability and power struggles that followed Lenin's death, while also acknowledging the emergence of Lenin's Cult of Personality as a central aspect of the political landscape in the USSR during this period.