the stalemate ended in mid 1918,
many battles had gone on in the process trying to and the stalemate but nothing was successful. there is no one reason to what ended the stalemate but several things which combined and ended it these things were:
America joined the war and was sending troops in at 50,000 per month
the German empire had a specific plan at the beginning of the war (the schleiffen plan) plan was to send two armies one to go through Belgium to France and the other to conquer Russia this plan was to take place 6 weeks after being created (late 1913 early 1914)but the following made the plan fail:
Russia had their army ready in just two weeks something the Germans misjudged
Belgium fought back instead of letting Germany stomp on them
Britain had a peace treaty with Belgium therefore they got involved in the war
and France was prepared and had thousands of men ready to fight back
also to what helped break the stalemate was the improvement on weaponry and equipment and tactics.
so far this is all i can be arsed to write but if i can i will update regularly :)
World War 1 reached stalemate between 1915 - 1918 in France because of the fact that either side Germany or France could not defeat eachother in the trenches.
The stalemate of WWI was caused by trench warfare, which prevented either side from moving forwards much without many lives being lost.
The entry of the U.S. into the war.
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.
Fresh manpower was needed to break the stalemate.
It Became a stalemate. this is where neither of the sides could make a move.
World War 1
Stalemate.
The entry of the U.S. into the war.
On a Coast Line somewhere
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.
They did help break the stalemate.
stalemate
Machine gun
1914
the use of chemical weapons.
the use of chemical weapons.
The tank pretty much put in end to the trench warfare stalemate of WWI. Just as the A-Bomb ended WWII