The Answer to your question is D or the New Model Army
The answer is 1607 for the foudning.
"Rust Belt" would be the best option from the list regarding a symbol of deindustrialization, since the term refers to the "rusting" of the old industrial plants.
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.
