Trench warfare was widely used at the beginning of the war but as it progresses modern military tactics such as infiltration tactics using small groups were used
Answer:
Emission Standards is your correct answer.
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Invasion of Russia destroyed it
Explanation:
Organizers called the demonstrators the "Bonus Expeditionary Force", to echo the name of World War I's American Expeditionary Forces, while the media referred to them as the "Bonus Army" or "Bonus Marchers". ... The principal demand of the Bonus Army was the immediate cash payment of their certificates.
