Each country has very special ways about them. Paul warned us of spiritual warfare and strongholds. When you go into mission fields, you will be surprised how much sometimes the devil has a hand on the people. 

Is this a legitimate problem that missionaries could possibly face?
I mean, does the last of attention that this subject gets, represent the reality on the mission field?
Does there exist a spiritual warfare when attempting to introduce a pure doctrine and preach the gospel of the Lord Jesus Christ?

This podcast should really make you think and help you prepare for the task that is ahead of you.