Answer: Tanks. In 1914, the “war of movement” expected by most European generals settled down into an unexpected, and seemingly unwinnable, war of trenches, Flamethrowers, Poison Gas, Tracer Bullets,
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Depth Charges, and Hydrophones.
Explanation: Machine gun - The machine gun was improved during the war. It was made much lighter and easier to move around. Flame throwers - Flame throwers were used by the German Army on the western front in order to force the enemy out of their trenches. Chemical weapons - World War I also introduced chemical weapons to warfare. Hope this helps!
Most had psychiatric symptoms, these ranged from difficulty sleeping to vivid flashbacks, and are now recognized as Post Traumatic Stress Disorder (PTSD).
Interesting question. The black death was a rather ready virus or as they called it a "plague". The reason it was so deadly it because it was a brand new virus/plague that the Europeans had never encounterd therefore being rather deadly for there immune system was not ready for it and had no way of treating it because it was an known virus from overseas. If you didn't know it was carried over on a ship where the virus was attached to a rat with further infected the crew and soon after the entire towb
Can you please attach a picture so I can answer it correctly
