Coffee plays an important role in societies throughout modern history. In Africa and Yemen, it was used in religious ceremonies. The result is that the Ethiopian church banned the use of coffee to Menelik II of Ethiopia dynasty. It was banned in Ottoman Turkey during the 17th century for political reasons.
Coffee is an important export commodity. In 2004, coffee was agricultural goods are exported in 12 countries, and in 2005, it exported agricultural 7th legitimate world by value.
Some controversy related to coffee cultivation and its impact on the environment. Some of the comments confirmed the relationship between coffee consumption and current medical condition; and the positive effects of coffee or negative is still being debated.