Answer:
Option: B) Scientific revolution
Explanation:
The Scientific Revolution led in the development of modern science, which changed the view of seeing science with experiments and technology. It began during the 16th and 17th centuries when people saw nature separately rather than believing as the miracle of God. Mathematics, biology, chemistry, astronomy, physics were some of the fields in science that interested people.
<span>The silver standard is a monetary standard that relies of the fixed weight of silver as the economic unit of account. It became widespread from the fall of the Byzantine empire and was used by many regions including Great Britain, China, and India before being eventually replaced with the gold standard until it was abandoned during the early 20th century.</span>
Vassals
<span>A vassal refers to a person who was permitted to
acquire land on the grounds that he offered allegiance and homage to the nobles
of society in return. Nobles granted the use of
farmlands to vassals in exchange for vassals’ services such as political
support, serving as military soldiers and paying taxes. </span>
<span> </span>
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The 19th Amendment granted voting rights to women.
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-Mal
Trench warfare caused the stalemate. The introduction of modern technology such as the machine gun made it more costly than previous wars.
