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Answer:
In the early 1800s, mass production was made possible by the use of a series of inventions which made it possible to use a few amounts of energy to produce an unprecedented amount of products
Explanation:
Answer:
Your answer is C) Lincoln-Douglass Debates; Election of 1860; Secession of Confederate States; Gettysburg Address
This is actually my third time answering the same questions, but from different people of course, also if you need more help on this subject, feel free to contact me.
I think the answer is B I could be wrong!
I hope I helped!