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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Building monumemts like the prymaids,temples
A system of mathmatics
agricultural production technique
The Great Schism was an event that divided Christianity into Western Catholic Churches and Eastern Christian Churches.
This is of course somewhat of a subjective question, but in general most would agree that yes, this is true of most scientific <span>accomplishments since all of these usually happen thanks to the accomplishments of those who came before. </span>
Answer: I cannot download it but think that needs that humans require should not cost money but our wants should cost money .
Explanation: