The Constitution gave Congress the power to create a system of federal courts because t<span>he Constitution anticipated the need for courts equal to the Supreme Court.</span>
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.
The withdrawal allowed Germany to make great gains on the Western Front.
B. St. Augustine :) hope this helps