With a small fraction of the hundreds of billions of dollars spent on the Iraq war, the US and Australia could ensure every starving, sunken-eyed child on the planet could be well fed, have clean water and sanitation and a local school to go to.
You don’t obey your way into faith (the Pharisees proved that); you believe your way into obedience.
The nature of the enemy's warfare in your life is to cause you to become discouraged and to cast away your confidence. Not that you would necessarily discard your salvation, but you could give up your hope of God's deliverance. The enemy wants to numb you into a coping kind of Christianity that has given up hope of seeing God's resurrection power.