Does the Ultrasonic Fence raise alien aggression?

Does the Ultrasonic Fence raise alien aggression? - Group of happy multiracial friends raising hands and smiling

The Ultrasonic Fence repels aliens in Beyond Earth, but its not clear what effect it has on alien aggression. In the current game I'm playing I have an alien nest within my borders in an attempt to improve relations with the aliens, but I'm not sure what effect the fence will have on alien aggression

Will the Ultrasonic Fence raise alien aggression?

What effect, if any, can it have on alien nests?






Pictures about "Does the Ultrasonic Fence raise alien aggression?"

Does the Ultrasonic Fence raise alien aggression? - Calm focused  African American male athlete with eyes closed in earphones and sportswear leaning on metal fence and doing side bend exercise while listening to music and stretching body on street against blurred urban environment in sunny day
Does the Ultrasonic Fence raise alien aggression? - Upset ethnic girlfriend with raised hand and concerned African American boyfriend breaking up on street against metal grid on background
Does the Ultrasonic Fence raise alien aggression? - Aggressive black man grabbing offended ethnic woman





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Images: Andrea Piacquadio, Andrea Piacquadio, Keira Burton, Keira Burton