The Foreign Secretary has called for Western allies to "double down" in their efforts to support Ukraine and push Russia out of the war-torn country.
In a keynote foreign policy speech, Ms Truss said the UK must strengthen its military while building alliances with other nations around the world.
She added that the country must further use its and other nations' economic power to deter aggressors who "do not play by the rules".
She added that the G7 group of leading industrialised nations should behave as an "economic Nato" that work together to defend collective prosperity.
Read more on manchestereveningnews.co.uk