The statement "prayers of the righteous doeth much good" is a paraphrase of James 5:16, which states: "The effectual fervent prayer of a righteous man availeth much." This means that the earnest and effective prayer of a righteous person can have a powerful and positive impact.
Use our love of God and walking with him to pray as righteous enough to help end this war.
But God knows more than we do. And His plans (Biden 2020 anyone?) that we don't understand can yield remarkable harvests.
From the cliff's edge of Biden 2020 we received Trump 2024.
Love the Lord and get right with Him in Jesus. Walk away from sins and into God's safety and pray to save all others.