Urgernt what impact did poison gas, machine guns, airplanes, and submarines have on world war 1 ? a - they made the war more destructive than previous war. b - they brought the war to a rapid conclusion. c - they forced the german army to fight a two-front war. d - they led to more hand-to-hand combat on the battlefield

The Answer you're looking for is A

World War 1 was called the "Great War" for a good reason. There were Great advancements in technology and military tactics. But the most gruesome thing about WW1 was the huge amount of casualties from both civilians and soldiers. It is estimated that the total number of casualties was around 37 million people. 7 million of which were normal citizens that were just caught up in the war.

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.