A.Certain natural rights
B.Those rights which were granted to them by the sovereign
C.Those rights which they had retained at the time of the conclusion of the contract
D.Only those rights which were specified in the contract
A.Certain natural rights
B.Those rights which were granted to them by the sovereign
C.Those rights which they had retained at the time of the conclusion of the contract
D.Only those rights which were specified in the contract