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the gas mask was invented on April 22 1915 some of the reasons they made this is one is so they protect themselves from poisonous things like gas, nuclear waste
etc the reason they do this is so when it happened they were prepared to put it on when they throw something with green smoke coming out of it some of the cons to this invention was that you could not breathe in them very well so it was hard if you had to hold your breath for long periods of time another con is that is didn't work that well because the eye holes were open so gas get in through the eye but some pros to it are that it can give you more time to leave the area and be able to breathe a little longer

analysis: where it became important was everywhere in the world because it was during the war when it had the biggest impact was in 1915 when ww2 was going on and people had all sorts of weapons that we could not protect until the gas mask came along and started to help the soldiers defeat the enemy and pushing through there defense with a gas mask in case something were to happen like a bomb that releases posiness gas

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anesthesia was made on October 16, 1910, it was made for surgeries because before they had to keep the patient awake for the whole thing so it would be brutal and you were more likely going to have blood loss and more infections what anesthesia does is it puts you into a coma and you don't feel any pain or anything that happens in the outside world they do this so they don't have to make you feel the pain of what a scalpel feels like cutting through there skin but there are some times in surgery where they can't use anesthesia because they need to be awake for it

analysis: anesthesia had the biggest impact at this time because when they had to do surgeries for the people who got injured in the war they will have to take out any bullets or anything else that happened so it would be easier to get the bullets out without the person scream and move the whole time and feel the pain when it had an impact was in 1910.

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the titanic was finished being built on May 30, 1911, they had two sister ships the titanic but this was the biggest one they ever made there were some pros and cons to building this 8 people had died during this, and 246 people had gotten injured during the rebuilding process it took them 3 years to build the titanic but the fourth smoker did not work at all so they only had 3 on the ship but they did not have enough lifeboats for everyone on the ship they only had 24 boats that carried only a total of 1,178 people but there were a total of 2200 so not everyone could survive the ship sinking
Analysis
the Titanic impacted the world by becoming one of the biggest ships in history at that time

analysis: the titanic had the biggest impact in 1912 when it first sailed on the ocean in the Atlantic but had a few problems while they were sailing they had crashed into an iceberg and without short notice because they did not have binoculars so they could not see the iceberg because back then they did not have as much technology to detect anything at the time then what we have now