which statement best describes the overall effects of new technology, such as poison gas and improved…

which statement best describes the overall effects of new technology, such as poison gas and improved artillery, during world war i?\nnew technology sped up the conclusion of the war.\nnew technology overcame the effectiveness of trenches.\nnew technology contributed to the stalemate on the western front.\nnew technology reduced the need for troops.
Answer
Brief Explanations:
During WWI, new tech like poison gas and improved artillery didn't quickly end the war or reduce troop - need. Trenches still had some effectiveness. Instead, the new technology made it difficult for either side to gain significant ground, contributing to the stalemate on the western front.
Answer:
New technology contributed to the stalemate on the western front.