Question

impede means to: prepare for publication refuse to acknowledge or recognize as valid bring together into a single whole or system block passage through not sure? get a hint: 50/50

Explanation:

The word "impede" means to hinder or obstruct. Among the given options, "block passage through" (which implies obstruction) is the closest in meaning. "Prepare for publication" is about getting something ready for public release. "Refuse to acknowledge or recognize as valid" is about not accepting something. "Bring together into a single whole or system" is about combining.

Answer:

block passage through