Today, humanity has passed the stage of trade by barter. The difficulties of the barter system led to the monetization of the economy. Goods and services are now measured in monetary terms, so that the presence of money-a unit of account, separated the act of buying from the act of selling, and...

The issue of maintenance of security is one of the most herculean tasks facing government all over the world today. The problem is more pronounced in nations where diversities of religious belief, ethnicity and class distinction fan the embers of insecurity. It seems from recent events all over...