Answer:
12. Johannes Gutenberg's printing press made it possible to manufacture large numbers of books for relatively little cost for the first time. Books and other printed matter consequently became available to a wide general audience, greatly contributing to the spread of literacy and education in Europe.
13. Four common causes, as recognized by social scientists, are technology, social institutions, population, and the environment. All four of these areas can impact when and how society changes. And they are all interrelated: a change in one area can lead to changes throughout.
Explanation:
The empire was dissolved,following a military defeat by the french under Napoleon
Qing dynasty between 1661 and 1722
The Boston massacre (March 5, 1770) occured because of the poor relations between the British and the colonists, but it isn't completely clear which side caused it.
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