You kill their will to fight on - they give up because peace at your terms mean they are more likely to live.
Note that the above is proven false in the real world. Civilians typically see this as proof you are evil and so it is more important to fight on to win. However Russia still thinks the former anyway.
Is there any strategical reason for r*ssia to attack civilian houses and infrastructure?
Assholes don’t need reasons…
You kill their will to fight on - they give up because peace at your terms mean they are more likely to live.
Note that the above is proven false in the real world. Civilians typically see this as proof you are evil and so it is more important to fight on to win. However Russia still thinks the former anyway.