Collocations for intervention - noun

active, direct
direct intervention to stop abuses of the environment

decisive
early, immediate, timely
A full-scale riot was prevented by the timely intervention of the police.

effective, successful
limited
personal
the Emperor's personal intervention

federal, government, governmental, state
He has made repeated calls for government intervention to save the steel industry.

external, foreign, outside
armed, military
We would resist any armed intervention from outside in our country's affairs.

humanitarian
This is not a humanitarian intervention, it is a brutal invasion.

police
judicial, legal
clinical, medical, surgical
behavioural/behavioral, psychological
educational
economic, political, social
divine, supernatural
The victory was seen as the direct result of divine intervention.

human, manual
The automatic process can be completed with very little manual intervention.

make
to make a forceful intervention in a dispute

call for, demand, favour/favor
The public demanded active intervention.

oppose, resist
We will always resist foreign intervention in our country.

justify, require, warrant
The threat does not justify government intervention.

intervention against
armed intervention against the rebels

intervention by
intervention by a senior judge

intervention from
He was furious at this intervention from the press.

intervention in
the government's intervention in the dispute

intervention on behalf of
state intervention on behalf of the industry

powers of intervention, the right of intervention (both esp. BrE)
It was necessary to exercise her ministerial powers of intervention in order to protect the public.
He claimed that the state has a special right of intervention in company affairs.