• INTRODUCTION TO CHEMISTRY
    CHEMISTRY

    INTRODUCTION TO CHEMISTRY

    Chemistry may be defined as the science that is concerned with the composition and the structure of matter, and with the forces that hold the structures together. Chemistry as a science has, as its primary objectives, the determination of the nature and properties of the non-living matter, which surrounds us, and the preparation of new substances that are scientifically interesting, or generally useful from the materials which nature has provided. In trying to determine the nature of substances, it probes into principles governing the changes that matter undergoes, when subjected to conditions which they normally do not encounter, such as high temperature, high pressure, contact with other materials under different…

  • MEANING AND ORIGIN OF LEGITIMATE TRADE
    ECONOMIC HISTORY

    MEANING AND ORIGIN OF LEGITIMATE TRADE

    The term, “legitimate trade” refers to the trade in commodities between Africans and the European merchants immediately after the abolition of slave trade. It was a trade where African raw materials, especially cash crops were exchanged for European goods. Such commodities included palm produce, rubber, cotton, skin, cocoa and gun. These produce were in high demand in Europe as a result of the industrial revolution. However, some Africans and others had questioned the idea of legitimacy given to this type of trade. This was because to refer to it as legitimate was to hide the truth that by the time of its introduction, Europe was more in need of raw…

  • NATURE OF TRANS-SAHARAN TRADE
    ECONOMIC HISTORY

    NATURE OF TRANS-SAHARAN TRADE

    Trans-Saharan trade was an economic activity in which different commodities were exchanged across long distances. It was a trade by barter because there was no standard medium of exchange such as currency. The North African traders brought commodities such as dates, perfumes, books, horses and camels and took in return items such as slaves, ivory, feathers, hides and skin. As a result of the economic importance of the trans-Saharan trade, there were struggles among the rulers of African states to control the trade routes leading to the rise and fall of some kingdoms. The trans-Saharan trade increased the wealth and prestige of the societies and people that participated in it.…

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