The reason why is England is about 3,000 miles away so it was tough to get supplies etc. to the colonists.
Brown v. Board of Education was a landmark case in which it was finally proven that segregation in institutions of education was highly unconstitutional, so you could say that that is the greatest effect since it made other schools become open for everyone as well.
I believe its the <span>consist mountains thick with trees, rivers and poor rocky soil that was difficult to farm and unsuitable for crops.
I hope this helps :)
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C) allow citizens to chose representatives
The yuan dynasty 1279–1368