A model used to evaluate change or performance, it searches for alternative answers to the question, “what’s going on?”. As such, it attempts to provide a standard of how things or tasks ought to be done.


When members of a community unite together to oppose the establishment that is not desired due to the hazardous nature of their activities, and sometimes against the establishment of institutions such as hospitals and school, due to a fear of being subject to the negative effects of having such an establishment in the neigbourhood.
A treaty between Canada, the US and Mexico that was legislated in 1994, which removes tariffs and other barriers to facilitate easy trade between these countries. It lasts between five and ten years. In comparison to the EU, NAFTA has a higher output that is based on a smaller population. The NAFTA also accounts for environmental, health and natural resource concerns.