What was the cave system and how did it affect ancient society

A cave system is a underground Hollow with access from the underground surface and it helped them by People thought that it was obserbant how amazing it was and how it looked bacuse its was like a underground world and a place you could call this is my home it was magnificent  how they it through with it.

Explanation:

i thinl it is the 1st answer

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.