Paul leaves Thessalonica after only 3 weeks and into that vacuum of leadership comes accusations leveled against him. He uses chapter 2 to defend how he ministers and gives us a brilliant path to follow.
The oldest written document of the New Testament is 1 Thessalonians. It gives us the oldest foundational principles of the church. 1 Thessalonians begins by turning the clock back to remember how the gospel saves and changes pagans.