for the money
What is a 'thing'.
There was one Peloponnesian War, won by the Peloponnesian League over the athenian empire.
TO blockade southern ports
There was one Peloponnesian War, won by the Peloponnesian League over the athenian empire.
German U-boats.
The blockade was used by the Union Soldiers to blockade southern ports so that they could not import or export goods.
In World War I, the Germans used submarines mainly to create a Submarine Blockade on Britain in an attempt to starve Britain out of the war. This blockade is similar to the Naval Blockade Britain used on Germany, but was not as effective, and Germany stopped halfway through the war. However, towards the end of the war when Germany was losing, they restarted the 'unrestricted submarine blockade', which accidentally sunk an American passenger ship. This angered America, leading to America's participation in the war, and the ultimate defeat of Germany.
U-Boats
The Naval blockade
The Union navy was mostly used to blockade principal southern ports
The Peloponnesian War was fought by Athens against the "Peloponnesian League" led by Sparta. The war lasted from 431 to 404 BC and was eventually won by the Pelopennesian League.