Answer:
OHe showed religious and political tolerance to conquered peoples.
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Explanation:
To achieve this, Cyrus left local rulers in place after conquering a region, and he allowed the local population to continue practicing their preferred religious traditions. These policies ensured that conquered regions continued to function economically and reduced the chance that they would rebel against him.
Answer:
Gas masks used in World War One were made as a result of poison gas attacks that took the Allies in the trenches on the Western Front by surprise. Early gas masks were crude as would be expected as no-one had thought that poison gas would ever be used in warfare as the mere thought seemed too shocking