As part of its ongoing process to make AP course and exam materials more effective for teachers and their students, the College Board released to educators a redesigned AP U.S. Government and Politics Curriculum Framework (.pdf/3.1MB). The redesigned course and exam will launch in the 2018-19 school year.
Ideally, best times of day to supplement with creatine would be around 30 minutes to 1 hour before your training session and immediately post-workout alongside your protein shake.
Before your workout. The argument for creatine before a workout include that it should be able to increase power output acutely during your workout, allowing you to exert more force. More force might help you activate more muscle fibers and lift more weight. Those factors can lead to more muscle growth. So you can see where this is going.