How did early humans protect their limited food resources

First by hiding them from others, and if others were to try and confiscate their food they would fight them off with what weapons they had like spears, fire, and bow and arrows

Early human being have many edible substances but the thing is they were not aware and they use to hide their food from others.

Militarism is the answer.

Up the mula ya know: '(: '(: '(: '(: '(