The answer to your question is:
C. Were dirty, crowded, and unhealthy.
Soviet union discouraged religion.
Explanation:
While th<u>e Soviet union never outright outlawed religion it was a firm believer in the fact that a true communist society would be one in which religion has no place. </u>
<u>As such, religious property was confiscated and religious leaders often got harassed. </u>
The state policy was to promote atheism in the new generation through schools and other modes of education and closing down of mass gatherings of religious nature.
The principal reason for calling the constitutional convention was to strengthen the central government.