Which words in the excerpt have negative connotations? check all that apply.

Prevent

Population

Purpose

Obstructing

Refusing

The correct answer are:

Obstruct: To block something so that nothing can go along it, or to prevent something from happening correctly by putting difficulties in its way.

Example: a large tree obstructed the road.

Refuse: to say that you will not do or accept something or to show or express unwillingness to do or comply with.

Example: I refuse to pay for it