How does "Total War" convey the individual experience of soldiers during WWI?

Which product would have been most likely to have been traded in this area at this time?

How did the war of 1812 contribute to an increase in u. s. manufacturing? a) the war provided more resources for factories to increase production. b) the war promoted trade between countries so that americans could focus on fighting. c) the war cut americans off from their previous supply of imported manufactured goods. d) the war limited transportation in america, making it necessary to import manufactured goods.

The information box says that the han added 4,000 miles of wall. refer to the mileage scale. how can this be true?