21. According to the United States Constitution, how old must a person be to be elected President of the United States?
22. Who is the only US president to serve two non-consecutive terms in office?
23. Whose 2016 presidential campaign slogan was "Make America Great Again"?
24. What year did Gerald Ford Become President?
25. What year did the effort to deploy the Common Core State Standards (CCSS) in the US begin?