The correct option is B.
The second industrial revolution occurred between 1870 and 1914. During this period, there was massive advancement in technology and in factories and this made it possible for manufacturers to produce a lot of goods en mass. The industrial revolution started in Britain and rapidly spread to Europe and North America an then to the rest of the world.
The people who moved to west in order to find work in factories. The correct option is 1st.
<h3>What are Factories?</h3>
Factories to the large area of the building where the raw material is assembled and converted into finished products. Many big and some machines are operated in the factory.
Many of the people moved to west in search of the job opportunity and to earn their livelihood in the mining factories and also in the barn fields.
Many of the male members relocated but not single male but with the whole family. First the male members relocated followed by their family members Thus second and third option are ruled out.
Those people didn't denied the ideas of the manifest destiny. Thus option 4th is also incorrect.
Therefore, the correct option is 1st.
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He helped <span>to develop the scientific method which in summary is.</span>
Laborers who had previously worked on farms transitioned to working in factories. Cities became a source of poverty, illness and lacked housing due to the transient volumes
