Collocations for aggression - noun

extreme, intense | controlled, mild | naked, open
a display of naked aggression

pent-up
ways of releasing pent-up aggression

unprovoked | physical, verbal | human | external, foreign
The president announced that the country would not tolerate foreign aggression.

American, British, etc. | military, police

act
Acts of aggression against local shop owners should be reported to the police.

display, express, show
the brutality and aggression displayed by the soldiers

channel, direct
He managed to channel his aggression into sport.

control | release | encourage
Do toy guns encourage aggression?

~ against, ~ by
Aggression by one nationality against another often leads to war.

towards
It showed no aggression towards other dogs.