The dual attitude system refers to the idea that people can have two different attitudes about something: an implicit and an explicit attitude.
An implicit attitude refers to an intuitive response, while the explicit attitude refers to a thought out reaction. Sometimes, individuals have contradictory reactions, which are known as dual attitudes.
A cash crop is a crop that is produced for commercial use, instead of use by the grower. Virginia's cash crop was tobacco, although they grew many other crops.