Water:You need water to survive at lease 1 gallon per person. When you get tired and get thirsty you need water.
Food:You really need food can to eat something or else you die you can survive at least 2 days without eating nothing.
Weapons:When you get old you need something to keep you warm so you need blankets to keep your self warm.
Weapons:In case someone attack you need weapons to defend your self. If some crazy old guy attacks you your ready to attack them.
Flash Lights:You need flash lights to see where your going in some dark places.
Lighters:If you want to make fire you need something to light it you need a lighter.