Iran conflict coverage
To say “nuclear ambition” is to convey doubt, implying that Iran has a desire to develop nuclear weapons. On the other hand, the phrase “nuclear programme” is far more neutral and focuses solely on Iran’s pursuit of nuclear energy or technology—a fact, without painting the country as being on the offensive.
Describing actions as a “crackdown” carries negative connotations of authoritarianism. The word “response” would be seen as more neutral, though it might be seen as potentially minimising the severity of government actions against protesters or opposition groups.
“Terrorist state” is a label, not an ordinary term. It is emotionally charged language that is avoidable for media anywhere. However, “state sponsor of terrorism”, which implies a legal and political status has a more neutral tone. The former can vilify a country, while the latter suggests the state is involved but within a more institutional context.