Complex sentence: In some countries afflicted by civil war, humanitarian aid organizations are viewed as helping the enemy, if an aid mission is perceived to be exclusively set up for victims on one side of the conflict, it may come under attack for that reason.
Split into simpler sentences: In some countries afflicted by civil war, humanitarian aid organizations are viewed as helping the enemy. If an aid mission is perceived to be exclusively set up for victims on one side of the conflict, it may come under attack for that reason.