A-The government became more centralized to secure power for a few leaders.
Explanation:
One major policy change that was made by the Communist Party in the newly formed Union of Soviet Socialist Republics is that the government became more centralized to secure for a few leaders.
1=the truth of suffering, 2=the truth of the cause of suffering, 3=the truth of the end of suffering, and 4=the truth of the path that leads to the end of suffering.