The purpose was to reduce the growth rate of China
The first shots in the American revolution were fired at Lexington I think sorry If you get it incorrect good luck!
The oil crisis made it hard for many people to get oil. Lots of people didn't have transportation. Gas stations were either limited or completely out of fuel.
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