Jenny,+HyunWoo,+Kaila

video:

sources

http://homepage.mac.com/zichi/.Pictures/blogger2/turner-decline-carthaginian-empire.jpg

http://theinspirationroom.com/daily/print/2008/7/cia_de_bolso_roman_empire.jpg

http://farm2.static.flickr.com/1198/1356839926_0b8542855d.jpg

http://www.slv.vic.gov.au/miscpics/0/0/8/im/mp008819.jpg

http://www.youtube.com/watch?v=tqrBGk-Qrqo&feature=related

http://www.youtube.com/watch?v=KCO95uFf2pk

http://www.youtube.com/watch?v=6ntNgjr5LPI&feature=related

http://www.youtube.com/watch?v=vl14jcj7LqA

http://www.youtube.com/watch?v=oBjI37BlYPE

http://www.youtube.com/watch?v=cbaNYWkQYYA&feature=related

http://www.youtube.com/watch?v=9rvBgaxUXrc

http://www.faqs.org/health/images/uchr_06_img0560.jpg

http://upload.wikimedia.org/wikipedia/commons/8/8b/Raw_opium.jpg

http://www.youtube.com/watch?v=bzHiFa5Wx00&feature=related

http://www.nysl.nysed.gov/library/features/ep/images/ep1.jpg

http://www.ctrl.org/boodleboys/boodleboysgphx/smlLinTse-hsu.jpg