If this is a history question, the bloody stalemate occured in the deadlocked region, the Western Front of WWI.
The Tigris and the Euphrates
I think that its important because when we get lost we dont know the true north or magnetic north. So we need to know about it
Answer:
Caspian Sea
Explanation:
The Caspian Sea in Asia is the largest lake in the world, with an area of 143,000 sq miles.
Hope this helped!