The Industrial Revolution was an economic revolution that started in Britain somewhere around 1750.Explorers like Vasco Da Gama and Christiopher Columbus had discovered sea routese South East already in the 15 and 16 centuries.This resulted in the expansion of trade.As time passed,the demand for goods increased and inventors began to invent machines .As a result the domestic system of labor was gradually replaced by the mechanized system.Now machines produced more goods and this gradually prompted countries to search for colonies as a source of raw materials and also as a market for selling their finished goods.