How deadly was poison gas in world war 1?

Who was the Iron-Chancellor during World War 1? What code name was given to the allied invasion of North Africa during World War 2? Why did Japanese Americans generally Face more restrictions and Italian or German Americans during World War 2? How was the war experience of the US different from other major powers? What are facts about the WACs in World War 2? What effect did the American government have on the Holocaust and how did America contribute? What colors of makeup compliment blue eyes and blond hair? Weapons used at sea in World War 2? What did the Gestapo do? With what is Subsidence inversions are most closely associated with? What was the number of soldiers for every country that died in World War 1? The Unites States used the strategy of island hopping to? What was the purpose of th palmer raids? How did the sinking of the lusitana affect world war 1? What was a major part of America involvement in World War 2? What countries had border changes after world war you? what Economists have learned that GDP fluctuates on a cycle. What has the average cycle been since the end of World War II? Should the us end oversea operations? What city did the US surrender to end the involvement in the war? What are the names of the three forts in the solent?