Complex sentence: Market Information Systems (otherwise known as MIS but not to be confused with Management Information Systems) are a subset of broader interventions in the agricultural sectors of developing nations, and part of the agricultural marketing and agribusiness development strategy that many governments are actively engaged in.
Split into simpler sentences: Market Information Systems (otherwise known as MIS but not to be confused with Management Information Systems) are a subset of information systems. In developing countries they are often part of broader interventions in the agricultural sector, and part of the agricultural marketing and agribusiness development strategy that many governments are actively engaged in.