Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

Which branch of the government has the power to "check" this and how?

How does the separation of powers and checks and balances work, and why is it important for our government?