They used the Monitor in Monitor vs Merrimack. They used boats to transport the soldiers to the Peninsular Campaign,
The cities of Murmansk and Arkhangelsk are two northern Russian ports in the Barents Sea. These ports were heavily utilized during the North Russia Intervention during the Russian Civil War.
To keep the North Sea from overflowing the countryside during a storm
The Irish Sea and the North Sea.
It did not formally surrender during the March to the Sea - in any case, there was no surrendering of individial states. But the March effectively took Georgia out of the war, as much through loss of civilian morale as anything else.
North Sea oil and hydro-electric power.
In Georgia during the "March to the Sea".
To have an unsinkable vessel and many many torpedoes
For the most part, the South was fighting on its own turf, giving it the home field advantage. However, during Sherman's March to the Sea, he had surveyed the territory as a young officer, and was familiar with its topography.
Baltic Sea
The North Sea is to the north of the Netherlands.
The North Sea
The leader of the North was Lincoln. The Union General-in-Chief was Grant.