I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)
It would be "Communist demonstrations" that did not <span>help cause World War I, since communism really did not start to play a prominent role in Europe until later in the century. </span>
The "Elastic Clause" of the Constitution grants Congress power to pass unspecified laws "necessary and proper" for the exercise of its expressed powersImplied powers have often been controversialOver time, Congress's powers have grown as more and more kinds of government activity have been
Answer:
I and II
Explanation:
Frustration over high levels of taxation and
resentment at exclusion from government decision making