deter

He has pledged to increase defence spending and called on countries to join a "coalition of the willing" to deter Russia from further invading Ukraine in the event of a peace deal.

The UK and France have been spearheading efforts to establish a "coalition of the willing" to deter Russia from further invading Ukraine, in the event of a peace deal.

There was a rare moment of criticism for Moscow by Trump on Friday as he threatened sanctions, even though it is already heavily sanctioned, to try to deter its intensifying bombardment of Ukraine.

But even this ambivalence could deter protest activity or indeed any politically disfavored speech.

Sir Keir has said US security guarantees - such as air cover - will be needed to deter Vladimir Putin from invading Ukraine again, if there is a deal to end the war.