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How
the Venetian Empire was undermined by war and plague from the
fifteenth century
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The
role of tea in making the modern world possible
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Why
human excrement is used in agriculture in some parts of the world
and the effects
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The
reasons for the beautiful Japanese toilet and its effects on agriculture
and economy
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Growing
rice in Asia and its effects on society and economy
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Growing
corn in Europe and its effects through milling on the development
of machinery
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Remembering
aborted foetuses in a temple in Japan
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The
effects of European diseases on third world peoples in Australia
and elsewhere
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The
spread of European agriculture with its attendant pests and weeds
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Why
ploughs are not used in many parts of the world today
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Why
the Japanese hardly developed weapons after the twelfth century
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The
development of gunpowder weapons in Europe from the thirteenth
century
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