Development of Industry
Industry is defined as the skill of making other products from raw materials. It involves extraction and processing into finished products of raw materials
Early Sources of Energy.
Energy is the ability to do work. The following are the early sources of energy that can be identified.
Wood was developed as a source of energy after the discovery of fire. It was used as follows;
List of Contents
Introduction to International trade
It refers to trade between countries outside geographical regions. It can also be define as trade which involves travel across seas and oceans.
Introduction to Trans Saharan Trade
Trans Saharan Trade was conducted between North Africa and West Africa. It derived its name from crossing of the Saharan desert by traders.
Types of trade
a) Barter trade
These exchanges could take the form of silent trade or dumb barter. In some areas a form of `silent’ barter trade was practiced between communities who could not communicate in the same language.
Meaning of Trade.
Trade is the exchange of goods and services between people or countries.