[ابو بيشو]

It is difficult to forgive those responsible for actions of terrorism.
It is difficult to forgive those responsible for acts of
terrorism.
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Blackmail is the action of trying to obtain money from someone
by threatening to expose them.
Blackmail is the act of trying to obtain money from someone
by threatening to expose them.
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an/the act of (doing) sth (NOT action): 'Such acts of violence will not
be tolhe erated.' 'For some people, the very act of talking to a doctor can
help them to feel better.'