Question

Which colonial group was formed first?
First Continental Congress
Committees of Correspondence
Stamp Act Congress
Olive Branch Committee

Answer 1

It would be the "Stamp Act Congress" that was formed first, since this was one of the first major meetings of representatives from different colonies that had the goal of addressing the new taxes imposed by the British Parliament. 

Answer 2

the Comittees of corrispondance is he answer! Hope this helps!