How did solider in WW1 adjust the gas mask that was rubbing agents their skin without exposing themselves to the gas

What was a result of the industrial revolution in the united states

Which of the following is a likely reason that someone today might decide to move from a city in the midwest to the south? a. the decline of manufacturing in the midwest b. the many high tech jobs available in the south c. urban overcrowding in the midwest d. higher housing costs in the south

In the gettysburg address, which rhetorical device does abraham lincoln employ when he says, "the world will little note, nor remember what we say here, but ic never forget what they did here"?