Question

to prevent something from happening or somebody from doing something; to make something impossible / to remove a problem or the need for something (2x)

Accepted Answer

to preclude (something / somebody from doing something) / to obviate something (e.g. to obviate the need for ...)

Voorkant	to prevent something from happening or somebody from doing something; to make something impossible / to remove a problem or the need for something (2x)
Achterkant	to preclude (something / somebody from doing something) / to obviate something (e.g. to obviate the need for ...)

To Obviate Prevent Happening Make Impossible Remove Problem