I believe the answer is D. Great Britain.
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Industrialization spread from </span>Britain<span> to other </span>European<span> countries, including Belgium, France and Germany, and to the United States. By the mid-19th century, industrialization was well-established throughout the western part of Europe and America's northeastern region.
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Some mining camps started to grow into towns or cities as more people started pooling into the mining camps the population started expanding and also precious metals like gold was often found.
Explanation:
The population explosion required more building as camps could no longer accommodate such huge numbers.
Mining also led to employment, a boom in business and prospects of a healthy income on a regular basis. The finding of gold further led to wealthy business prospects.
As the camps started changing into towns and cities with more settlements facilities like railroads, schools and hospitals along with markets were also built.
Because of serving for huminity as you drawing smills on challenged brothers. so they hold a great respect for you. like me .thanks alot
<span>The concepts of federalism and separation of powers are distinct but related principles of political organization that are deeply imbedded in American governmental theory and experience. They are often confused. This confusion arises because both concepts involve separating or dividing governmental powers among distinct political organs in order to make government responsive to people's needs and to keep government from becoming tyrannical. </span>