<P> Regional integration initiatives, according to Van Langenhove, should fulfil at least eight important functions: </P> <Ul> <Li> the strengthening of trade integration in the region </Li> <Li> the creation of an appropriate enabling environment for private sector development </Li> <Li> the development of infrastructure programmes in support of economic growth and regional integration </Li> <Li> the development of strong public sector institutions and good governance; </Li> <Li> the reduction of social exclusion and the development of an inclusive civil society </Li> <Li> contribution to peace and security in the region </Li> <Li> the building of environment programmes at the regional level </Li> <Li> the strengthening of the region's interaction with other regions of the world . </Li> </Ul> <Li> the strengthening of trade integration in the region </Li> <Li> the creation of an appropriate enabling environment for private sector development </Li>

Which form of regional integration is represented by the north american free trade agreement (nafta)