Final answer:
The two major functions of Congress discussed in lecture are making laws and acting as a check on the power of the executive branch.
Step-by-step explanation:
Two major functions of Congress discussed in lecture are making laws and acting as a check on the power of the executive branch. Congress has the power to create laws, which is one of its most important functions. It also serves as a check on the power of the President, ensuring that power is not concentrated in a single leader and maintaining freedom for the American people.