There are two parts of the homework, one required, one optional.
Required (watch 3 Youtube videos)
1-United States Political System:
https://www.youtube.com/watch?v=6h5OFX-sCJU
https://www.youtube.com/watch?v=6h5OFX-sCJU
2-How is power divided in the United States government?
https://www.youtube.com/watch?v=HuFR5XBYLfU
https://www.youtube.com/watch?v=HuFR5XBYLfU
3-U.S. presidential elections easily explained:
https://www.youtube.com/watch?v=Q-4Sfn_ti-U
https://www.youtube.com/watch?v=Q-4Sfn_ti-U
Optional: two videos further explaining
This is a short video further explaining the separation of powers. It's a good video, short (6 minutes), but I didn't want to assign it as homework:
https://www.youtube.com/watch?v=cNqfzAUwa4Q
https://www.youtube.com/watch?v=cNqfzAUwa4Q
Checks and Balances for Dummies (This video is 20 minutes long. It's very involved, and the guy doesn't always make sense because he goes on tangents, but if you want to get an in-depth explanation of the US government, this is a good video:
https://www.youtube.com/watch?v=2rekVGf1Qns
https://www.youtube.com/watch?v=2rekVGf1Qns