Question

the idea that government is best able to protect the liberty of its citizens through the creation of three branches of government all with their own unique powers that can be checked by the other branches is called
o limited government.
o separation of powers.
o rule of law.
o popular sovereignty.

Explanation:

The description refers to the concept where different branches of government have distinct powers and can check each other's actions, which is the separation of powers principle.

Answer:

separation of powers.