→why did europeans use colonies for?

Europeans explored & created colonies for many reasons:

1) In search of a passage to China: China was known as a "well-developed" & strong country in it's days as the Chinese empires (known as dynasty). Silk, gold, and other much needed materials came from there, and Europe wanted to open up China's market for themselves.

2) Open-space prisons: European prisons soon became overcrowded, which led to Europe shipping many of their prisoners westward.

3) Cash-crops: Later on, Europeans found that certain types of crops grew well in certain areas of the US (particularly, Tobacco, and later cotton, in the Southern part of the United States).

But most importantly:

4) Freedom of Religion: Many religious groups came from Europe to try to be able to practice their religion openly & freely, without persecution. However, while they may be open to their own, it did not mean they were open to "outside" religions that were not the original inhabitant's religion.

There may be other reasons, but these are the main ones.

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in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion

"the sepoy rebellion was the result of many, many influences and stressors on the cultures of india living under british rule. in britain, it's called the sepoy mutiny on the indian mutiny, but in india, it's called the first war of independence.

the main reason is concerned to the british paramountcy , the belief in british   dominance in india political, economic and cultural life had been introduced in india about 1820."

"they were forced to grow crops that benefited the colonizing nations instead of feeding their own people."

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