A limited natural resource base creates a need for nations to trade with one another. Not all countries grow enough food for their people. Leadership, traditions, economic and political factors may create priorities at odds with feeding a country's people. B. Agricultural products move through many key steps from productions to consumption. The production to consumption system varies from society to society.
Agriculture is more than farming and ranching.
Food processing, distribution and marketing are key activities of any agricultural system. Advanced agricultural systems rely on the coordinated actions of many related businesses. Agriculture is the world's leading source of employment. In more developed countries, there are careers in food production, processing storage, marketing, transportation and research. In lesser developed countries, agriculture is conducted primarily for subsistence and involves a larger percentage of the population solely in food production efforts.