Keep from

It is tempting to speculate about the incentives or compulsions that might explain why anyone would take to the skies in [the] basket [of a balloon]: […]; […]; or perhaps to muse on the irrelevance of the borders that separate nation states and keep people from understanding their shared environment.

What else did your brother keep from me?

He could not keep the sadness from his trembly voice.

I don't want to keep you from school.

As a mother, I wanted to keep my son from harm.