https://www.youtube.com/watch?v=uQAuNnCbEz8
A History of Voting in the United States
https://www.youtube.com/watch?v=nuwGzcEPRbs
Crash Course--Election Basics
https://www.youtube.com/watch?v=48EZKXweGDo
Crash Course Party Systems
https://www.youtube.com/watch?v=PkltAl_cO5Y
Formal Amendment Procedures (https://www.youtube.com/watch?v=63iB9OvvEjo)
Informal Amendment Procedures (https://www.youtube.com/watch?v=XsbsKnNIrys) start at 4:20
