peaceful resolution...in the case of Iran pursuing nuclear weapons, it's what Obama accomplished after two years of negotiations...i.e. the JCPOA...the agreement that Trump tore up, thus allowing Iran to increase enrichment of its uranium to near weapons grade (60%). In essence, Trump (with urging from Netanyahu) planted the seed for this unjust and poorly planned war. Pope Leo is justified in calling out Trump for his extremely poor judgement...which you seem to agree with.