From mid 1914 to the beginning of 1918. More or less the entire length of World War I, except for a short time at its beginning and end.
The entry of the U.S. into the war.
The stalemate generally refers to the Trench warfare in France 1915-1918.
Didn't start yet.
The war ended in a stalemate.
approximately 1939 to 1945
8 years
Problems with logistics and communications contributed to the long period of stalemate during World War I. The stalemate happened after the British forces attacked and captured Neuve Chapelle in the Artois region.
The United States entry into the war
The entry of the U.S. into the war.
Stalemate.
No, stalemate is a chess term, meaning an end with no winner. As long as the Cold War lasted and both sides were still able to one-up each other, it was not a stalemate.
Would you mind reposting your question with a little more information? There was a stalemate in most of World War I, but World War II happened in so many places, that I do not know of the occurence in your question . . .
no one gains or looses ground
On a Coast Line somewhere
The stalemate generally refers to the Trench warfare in France 1915-1918.
the entry of the U.S. into the war.
They did help break the stalemate.