<span>Child labour. Many children worked long hours for very low pay. They were also susceptible to maimed limbs, poor health and early death.
Higher concentration of workers in new mill towns led poor sanitation and outbreaks of infectious diseases, such as cholera.
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The slave trade. In the early part of the Industrial revolution, some industries, such as cotton were still dependent on the slave trade.</span></span>
The 13th, 14th, and 15th amendments.
Answer:
The Chinese laborers often did the most dangerous parts of the construction, including the dynamiting of mountain tunnels. Many men lost their lives constructing the transcontinental railroad; estimates range from 150 to 2,000. Most of these were Chinese Americans.
D. Civil war
B. They represent the 13 original colonies
B. Communism
It is considered the first decade of the modern era because it made a big change move from farming cultures toward capitalism, industrialization, secularization, rationalization, and the nation-state.
Hope I helped :)
