Concept:The Chick's Commission was one of the revenue allocation commissions set up during Nigeria's constitutional development.Explanation:The Nigerian government appointed several commissions to review how revenue should be shared among regions.The Chick's Commission was among these bodies established to address fiscal imbalance and revenue allocation issues.It was set up in the year 1953 to examine the existing revenue allocation formula.Hence, 1953 corresponds to option D.Answer:D. 1953