how does the principle of separation of powers limit congress?

A. Congress cannot enforce the laws that they make
B. congress must interpret legislation for the courts
C. congress must rely on the executive branch to introduce legislation
D. congress must share power with the individual state governments

A. Congress cannot enforce the laws that they make

The principle of separation of powers ensures that each branch of government has specific responsibilities and powers, and therefore Congress cannot enforce the laws that they make as that power lies with the executive branch.