Please help me with these history questions, I will give you extra points and the brain thing. The image below 2/5

C

Explanation:

Although these technological innovations eventually had an effect on all sectors of the American economy, the GREATEST impact was experienced by the industrial sector. Mass production, steam power, interchangeable parts, and mechanization revolutionized American industries in the late 1700's and early 1800's.

The cotton gin

Explanation:

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on

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