Here are the answers to the questions provided:
Question 21: What is the main power of the Executive Branch?
Answer: Enforce Laws
Question 22: Article II of the Constitution states “The ______________ power shall be vested in a president of the United States.
Answer: Executive
Question 23: How is the executive branch checked by the other branches of government?
Answer: All of the above
Question 24: How can the executive branch check the power of the judicial branch?
Answer: By appointing new judges
Question 25: What three U.S. Presidents were impeached?
Answer: Donald J. Trump (impeached 2x), Andrew Johnson, Bill Clinton
Question 26: Name three powers of the President as stated in the Constitution.
Answer: Treaties and appointments (also Military, but "Military" as a standalone answer is not complete without context)
Question 27: What is the Vice‐President's only constitutional responsibility?
Answer: Shall be President of the Senate, but shall have no Vote, unless they be equally divided.
Question 28: Article III in the U.S Constitution is…
Answer: Judicial Branch
Question 29: Judicial Review is best described…
Answer: The Supreme Courts power to say if a law or action is constitutional or unconstitutional
Question 30: The Supreme Court Justices have lifetime tenure (Appointed for life)
Answer: True
Feel free to ask if you need more information or clarification!