The Zimmerman Telegram was a message from Germany to Mexico where Germany tried to make an alliance with Mexico in case the U.S joined the war. Germany said that they would let Mexico have their old territory back, which included Texas.
Answer:
Eye irritation.
Explanation:
There were several types of gases used during WWI (that's what I'm assuming this question is about) but all of them caused severe eye irritation, which would lead soldiers to sometimes take off there gas masks completely and expose the to the gas completely. That's why 85% of deaths in the war were though to be gas related. But instant death could be the other answer just because one of the gasses was particularly lethal and caused many deaths in the war.
Engulfed in the dust storm
They were known as the Axis Powers during WWII<span />