Does anyone have good videos or resources on American Imperialism?

I found Crash course on youtube by John Green. 

http://www.youtube.com/watch?v=QfsfoFqsFk4

This is for my grade 11 American Studies teacher.

Thanks,
Christine


Christine Bairos
Library Media Specialist
Old Saybrook High School
1111 Boston Post Road
Old Saybrook, CT  06475
(860) 395-3175
FAX (860) 395-3179
cbairos@oldsaybrook.k12.ct.us