Concept:Commerce began from the basic need of individuals and households to obtain goods and services for daily living.Explanation:Commerce deals with the exchange and distribution of goods and services.Every person or family has different consumption needs that must be satisfied.No single person can produce all the goods and services they require.Therefore, people started exchanging surplus products for the items they needed.This regular buying and selling to meet human wants gave rise to commerce.So the main force behind the start of commerce is the urge to consume.Answer:B. consumption