Answer:
I believe the answer is A. but I'm not 100% sure
Explanation:
I did an essau on this like... 4 years ago? that should be correct if memory serves
The North had very little supplies at Fort Sumter, so they had to fight while being conservative with heir supplies. The South, however, battered the Fort with over 300 shells, until the commanding officer in the Fort inevitably surrendered.
Persia was no longer the great power it once had been
The correct answer among all the other choices is 1. the assembly line. Henry Ford is famous for his use of the assembly line. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.