A)an acid
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Answer:
A. Interchangeable parts made mass production easier and cheaper.
Explanation:
history allows us to observe and understand how people and societies behaved. like an example, we are able to evaluate war, even when a nation is at peace, by looking back at previous events. History provides us with the data that is used to create laws, or theories about various aspects of society.
The main reason why the British government relax rules regulating trade for the American colonies in the late 1600s was because some colonists were getting upset and the British wanted to keep them loyal.
