Tanks, aeroplanes, zeppelins, flamethrowers, grenades, trench mortars. Wouldn't 100% rely on this information though so it would be best to check another source before making a definite answer.
No Man's Land
The Trench warfare was a common tactics during and before world war 1. It gave soldiers a very good cover from bullets, artillery, mortars. It was also cheap and simple
The Trench Mortars effected the World War 1 (WW1) by giving an advantage to the users by being able to keep cover and still be able to shoot over and hit or at least hit the ground near the enemy's trenches to force then to move.
The development and the introduction of the tankupon the battlefield .
Mortars significantly impacted World War I by providing an effective means of indirect fire support, allowing troops to launch explosive projectiles over obstacles and enemy trenches. Their portability and ability to deliver high-explosive, smoke, and gas shells made them versatile weapons on the battlefield. Mortars contributed to the stalemate of trench warfare, as they could target enemy positions with relative accuracy while minimizing the risk to the firer. This led to increased casualties and destruction, further entrenching the brutal conditions of the war.
No, trench foot was first noted by Napoleon's army in 1812. It was made more well known during the trench warfares of World War I, but it was not new at that time.
Trench Warfare.
Yes. Mortars are used by vitrually every army in the world.
yes in fact mortars were one of the most used and manufactured weapons in world war 2
The four main types of trenches used by the Allies during World War I were the front line trench, the support trench, the reserve trench, and the communication trench. The front line trench was where troops engaged in combat, while the support trench provided a place for reinforcements and supplies. The reserve trench held additional troops ready for deployment, and communication trenches connected all the trenches, allowing for safe movement of soldiers and supplies between them. This organization aimed to enhance defensive capabilities and maintain effective communication on the battlefield.
Trench Warfare