4. Briefly describe two important technological advances that occurred during the Industrial Revolution.
How did these technologies contribute to social changes at the time? (5 points)

The cotton gin was a very important technological adcance in the industrial revoulution because it significantly increased the coton production.

The telegraph improved  comunications and started the era of information

Explanation:

have a great day

the use of electrical signals that transit messages is know as

answer; a cost benefit analysis;