Respuesta :
Answer:
A. It makes it difficult for attacks to succeed.
Explanation:
This is what I put down on my question, it also makes sense since they used the trench for protection against attacks.
Trench warfare led to stalemates during World War I by making it difficult for attacks to succeed.
Trench warfare caused harm and death to a large number of soldiers from troops of both nations that leads to the dead-end of the war as both nations were not able to attack with their full nation in order to victory over other.
Thus, the situation was caused due to advanced technologies that were used by both parties that enable them to defend strongly and finally arrived at a stalemate.
Learn more about Trench warfare here:
https://brainly.com/question/8401620
