It’s either Lewis Hayden or Levi coffin
They used poison gas at the Battle of Ypres on April 22, 1915. It was so deadly because gas clouds were released from containers and blown by the wind towards enemy’s.
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Answer:
By 1804, all of the Northern states had abolished slavery or set measures in place to gradually abolish it, although there were still hundreds of ex-slaves working without pay as indentured servants in Northern states as late as 1840.
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Answer: C
The president proposes a budget and signs it into law after the House and Senate revise it.
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