St Petersburg was frozen and unusable for half the year
Also they didn't have fish to eat for half a year
So when that warm water port was acquired it was a game changer.
An ideal that Woodrow Wilson included in his 14 points was that people should be able to choose their own governments.
Before the invention of writing
The naval blockage was actually by the French ships, as the Americans did not have any navy during that time. Its stopped the British from escaping America as well as bringing food and weapons for the soldiers. Hope that this answer will help you!!!
