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The scientific revolution  was the emergence of modern science during the early modern period, when developments in mathematics, physics, astronomy, biology (including human anatomy), and chemistry transformed societal views about nature.

The change to the medieval idea of science occurred for four reasons: collaboration, the derivation of new experimental methods, the ability to build on the legacy of existing scientific philosophy, and institutions that enabled academic publishing.

Under the scientific method, which was defined and applied in the 17th century, natural and artificial circumstances were abandoned and a research tradition of systematic experimentation was slowly accepted throughout the scientific community.

During the scientific revolution, changing perceptions about the role of the scientist in respect to nature, and the value of experimental or observed evidence, led to a scientific methodology in which empiricism played a large, but not absolute, role.

As the scientific revolution was not marked by any single change, many new ideas contributed. Some of them were revolutions in their own fields.

Science came to play a leading role in Enlightenment discourse and thought. Many Enlightenment writers and thinkers had backgrounds in the sciences, and associated scientific advancement with the overthrow of religion and traditional authority in favor of the development of free speech and thought.

Explanation:

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.

the correct answer is 50.