A. The right to secede is allowed
B. Sovereignty resides in the centre
C. The centre and units agree before taking decisions
D. Autonomous units are more powerful than the centre
Correct Answer: Option B
B. Sovereignty resides in the centre
Explanation
Usually created by a treaty, confederations of states tend to be established for dealing with critical issues, such as defense, foreign relations, internal trade or currency, with the general government being required to provide support for all its members.