Conversation so far:
what is the relationship between iran and iraq
Iran and Iraq are close allies supporting each other against ISIS. The relationship between the two countries is strong in part because they operate on a Shi'ite system of governance.
when did iran and iraq sign economic and cooperation agreements
As of January 2010, Iran and Iraq signed over 100 economic and cooperation agreements

Question: what are the main areas of trade between the two countries
Self-contained rewrite: what are the main areas of trade between iran and iraq