From mid-nineteenth century, how the demand for more food led to the flow of capital and labour all over the world?

. Lands were cleared and food production was expanded to meet demand for more food but it was not enough because there was need for secondary and tertiary activities as given below:
(i) Railways’ services were required to link the agricultural regions to the ports.
(ii) New harbours had to be built and old ones expanded to ship the new cargoes.
(iii) People had to settle on the lands to bring them under cultivation.
(iv) These activities required labour and capital which came from financial centers such as London” The demand for labour led to migration of people from Europe to America and Australia. About 150 million people in the world migrated in search of a better future. ‘Ihus the demand for more food led to the flow of capital and labour all over the world.

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