jews were the cause. Hitler hated them so much that he wanted to kill all of them. he wanted a all white society Christian too i think. I personally don't this it could've been avoided because he didn't like then so much he wanted them all gone.
The "mirror test" consists of painting a red spot on the baby's forehead or nose, large enough so that he/she/they can see it easily, and place it in front of a mirror. If the child tries to touch the reflex, it means that he/she/they do not understand that the image is his/her/their own. But if /he/she/they try to clean or touch the spot on her face, it's because he/she/they already aware of her image.
C. Remote sensing because the imagery is not in direct contact
Answer:
Trench Weapons.
Grenades.
Underground Mining.
Artillery and Mortars.
Machine-Guns.
Poison Gas.
Rifles.
Tanks and Armoured Vehicles.