Sources

Here are some of my sources for my issues paper:

Books: The Zombie Survival Guide and World War Z by Max Brooks

pet_move_impcus_a2_nus_ep00_im0_mbbl_m.htm

http://www.ers.usda.gov/Data/foodimports/

http://paul.kedrosky.com/archives/2009/08/us_food_imports.html 

http://www.mtholyoke.edu/acad/intrel/depend.htm

The following two correspond with each other:

http://www.census.gov/foreign-trade/Press-Release/steel_index.html#2010
http://www.census.gov/foreign-trade/Press-Release/2010pr/12/steel/