Blocking the Suez, Twilight style

[lordroel]

So we all heard several weeks ago the story about the container ship that block the Suez Canal for a while, now i was wondering, what if this happen during the war would A a blocking using one ore 2 ships be effective ore B dropping one ore two small nukes on the canal and last, who would benefit the most of a blocked Suez Canal, the Americans ore the soviets.