The most important advantage in the north was the industrialization. This was the most important because weapons and other equipment were easier to manufacture.
The most important advantage of the south was that they were fighting on their land, so it was familiar to them. This was the most important because the southerners were in a space that they knew/could navigate better.
Popular opinion turned against South African apartheid.
•The spread of the bubonic plague from central Asia into Europe decimated the populations but increased opportunities for the survivors.
•An enormous variety of new consumer goods, agriculture, weaponry, religion, and medical science became available in Europe.
• New diplomatic channels between Europe, Asia, and the Middle East were opened.
•Russia became unified for the first time.
Thaht is A because that is unnecessary
The Panama Canal was built to connect the Atlantic Ocean, and the Pacific Ocean.
Hope this helped! c: