In a unitary system, the central government has all the power. In a federal system, some powers are given to the central government and other powers are given to the lower levels of government (provinces or states). ... In a federal system, they have a right to their powers.
Answer:
make the nation's laws
Explanation:
While all of the options are powers of Congress, the most important one is their ability to make laws as it influences all of the nation.
World war ll happened because japan had attack pearl harbor and many get soliders and inicent people were killed in the process
