The most important sources of social changes are physical environment, technology, population, cultural innovation and social conflict. The statement is true.
<h3>What is social change?</h3>
Social changes refers to those changes that occurs in human being while interacting and making relationships which transforms the society and culture as a whole.
These changes benefits the society as a whole as technological development helps the future generations for example mobile phone helps social interactions and many more.
Thus social changes are important for future growth.
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The statement that does not describe the role of the colonies in the mercantile system is that the colonies manufactured their own goods and sent them to the parent country to be sold for profit.
We can infer from the previous documents that the reforms of the early nineteenth century may have been very much in response The American Revolution
Answer: Option A
<u>Explanation:</u>
In the nineteenth century, in the United States of America, the revolution had taken place where the people who were living in this country went against the British colony and wanted to protest against them.
The people of America wanted to get independence and make their country a free nation and not live under the rule of the Britishers anymore. This led to the revolution by the people of America in the nineteenth century and there fore reforms were related to that only.
The answer is A because the others don't make sense.