The Theory Elaborated and Implemented
When the colonies separated from Great Britain following the Revolution, the framers of their constitutions were imbued with the profound tradition of separation of powers, and they freely and expressly embodied in their charters the principle.2 But the theory of checks and balances was not favored because it was drawn from Great Britain, and, as a consequence, violations of the separation–of–powers doctrine by the legislatures of the States were common[p.64]place events prior to the convening of the Convention.3 As much as theory did the experience of the States furnish guidance to the Framers in the summer of 1787.4
The doctrine of separation of powers, as implemented in drafting the Constitution, was based on several principles generally held: the separation of government into three branches, legislative, executive, and judicial; the conception that each branch performs unique and identifiable functions that are appropriate to each; and the limitation of the personnel of each branch to that branch, so that no one person or group should be able to serve in more than one branch simultaneously. To a great extent, the Constitution effectuated these principles, but critics objected to what they regarded as a curious