Model 1910 Entrenching Tool Public.Resource.Org Attribution 2.0 Generic
An entrenching tool would be very helpful to have. This could save your life and others to. By having this tool it allows you to get your body out of harms way.
M1903-Springfield-Rifle Curiosandrelics Creative Commons Attribution-Share Alike 3.0 Unported
A rifle will protect you. If you don't have a rifle you will most likely die. This will save you many times.
Red Cross parcel Wikipedia Creative Commons Attribution-ShareAlike License
A medical kit will be very useful. In war you will encounter all types of injuries. With this you will be able to help you and other people who are hurt. You could possibly buy yourself some time too.
WWI Gas Mask Luz28 Creative Commons CC0 1.0 Universal Public Domain Dedication
They will use poison gas in war. A gas mask will keep all the chemicals out. If you didn't have this on you would die because of all the chemicals that you are breathing in.
Vaccination torange.biz Creative Commons Attribution 4.0 International License
A vaccination is very helpful. This may not sound like a big deal but it is. Without a vaccination you will be open to all kinds of diseases. if you get a vaccination you have less of a chance of getting one.
WW1 Trench Warfare Btb.jo Creative Commons Attribution-Share Alike 4.0 International