The answer is Trench Warfare the gas masks were not that effective back then and gas raises so if you were in a trench for the most part you would be fine but they did both.
According to records, the Soviet Army lost 478,741 men killed or missing, and 650,878 wounded.
Answer:
The number of minority groups in my neighborhood has increased a lot. the us is beginning to internationalize. this is shown through several different food places that serve a certain part of the world's usual food.