God has a calling on each man’s life. Furthermore, He enables men to fulfill their appointed work. Man, however, must be strong and DO the work.
Change often results in fear. As such, it must be met with strength. Failure to do so can breed panic that only God's strength can overcome.
Any country led by men who understand the biblical role of government would enjoy a supernatural blessing experienced only by those following the will of God.
At times, God called people to enter into war with the goal of killing their enemies. The Bible clearly distinguishes between this type of killing and murder.
