Answer:
b. tyranny
Step-by-step explanation:
A power concentration in one hand in the form of executive, judiciary and legislative powers is aptly described as a dictatorship or tyranny. Madison describes this power concentration as a tyranny form of government. He believed that keeping the three tiers of government separated was primary to the preservation of liberty.
He wrote: "The accumulation of all powers, legislative, executive, and judiciary, in the same hands, whether of one, a few, or many... may justly be pronounced the very definition of tyranny."