Question

-
3) Describe the historical change in the different sectors
of the economy
over a
feriod of time​

Answer 1

The following important historical changes have been taken place in primary sector : (i)As the methods of farming changed and agriculture sector began to prosper, it produced much more food than before. Many people could now take up other activities.
(ii)There were increasing number of craftpersons and traders.

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Answer 2

Answer:

Historical changes brought about in secondary sector are the following : (i)Over a long time and especially because new methods of manufacturing were introduced, factories came up and started expanding. ... Secondary sector gradually became the most important in total production and employment.