Gather in your resources, rally all your faculties, marshal all your energies, focus all your capacities upon mastery of at least one field of endeavor.
Attempt something so impossible that unless God is in it, it's doomed to failure.
God is concerned with nations, but nations also need to be concerned with God. No nation can have a monopoly on God, but God will bless any nation whose people seek and honor His will as revealed by Christ and declared through the Holy Spirit.
The only way God could impose peace on the world would be to robotize our wills and rob every human being of the power of choice. He has not chosen to do that. He has given every person a free will.
The leader seeks to communicate his vision to his followers. He captures their attention with his optimistic intuition of possible solutions to their needs. He influences them by the dynamism of his faith. He demonstrates confidence that the challenge can be met, the need resolved, the crisis overcome.