THERE WHERE 70 DIFFERENT KINDS OF PLANES USED IN WORLD WAR ONE

FRANCE HAD THE MOST TANKS IN WORLD WAR ONE

X-RAY MACHINES SERIOUSLY EFFECTED THE AMOUNTS OF DEATH IN WWI

WAS MADE IN EFFECT OF THE INVENTION OF GAS FUSES

USED TO GET INFORMATION FROM PLACE TO PLACE IN A BATTLE OR CAMP

IRON HATS PREVENTED MANY CONCUSSIONS AND BULLETS TO THE HEAD