Answer:
The US was the only one who had to fight a war to win independence.
Explanation:
The correct answer among all the other choice is C. Women of various ages and skills took wartime jobs. This statement is true about the women who worked during World War II. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
The answer for this is the telegraph because it is way older then the second industrial revolution because the telegraph was created in 1843 and the second industrial revolution started in the 1870 all the way to 1914.