The Answer is B. Trade between Europe and byzantine empire.
The main function of the colonists' committees of correspondence was spreading the news of the Boston massacre and gaining support of the people around the world against the British. This Committees of Correspondence was created by the Patriots of America. I hope the answer helps you.
It was the "c. principle of popular sovereignty" that both the State constitutions and the Articles of Confederation had in common, since both these documents put a strong emphasis on the people being able to choose their representatives.
They both wanted equality.
King wanted rights for blacks.
Malala wanted rights for women.