Meanings of strict rationing in English

He had ten left, enough to last another three days with strict rationing.

Even with strict rationing, food's going to be a problem.

There was a strict rationing system in place and most of us were hungry all the time.

The army was occupying the buildings, and government employees were overseeing the strict rationing that had been imposed.

I ask Lynch how he manages to inspire such loyalty, despite such strict rationing of human contact -from his collaborators, friends, even his exes.