World war one mind map

Communication

on the Western Front, telephones were used to communicate

between the front line Marines and Soldiers and their commanders

France had fewer than 140 aircraft when war against Germany began

four years later that number had ballooned to approximately 4,500.

Submarines

Franz Becker commanded German submarines – known as U-boats – from 1915

Both the British and German navies made use of their submarines against enemy warships from the outset

Neuve Chapelle in October 1914 the German army fired shells at the French which contained a chemical irritant making people sneez

whose result was to induce a violent fit of sneezing
31 January 1915.

tear gas was employed by the Germans for the first time on the Eastern Front.

effects of chlorine gas were severe. Within seconds of inhaling its vapour it destroyed the victim's respiratory organs

A shell weighing 70 pounds explodes into a shower of 1200 pieces

the machine gun was the perfect weapon to stop an infantry attack across no man’s land

A wall of exploding shells just in front of the attacking troops makes the enemy confined to the trenches and can't use the machine guns

The caterpillar track, upon which the tank travelled, was designed in its crudest form in 1770 by Richard Edgeworth.

Alvin O. Lombard of Penobscot County, Maine, produced and sold the first engine with crawler tracks in May 1901.

The first combat tank was ready by January 1916 and was demonstrated to a high-powered audience