These powers are called the Expressed power of the Congress.
Step-by-step explanation:
The Expressed Powers of the Congress are 18 set of powers that are granted to the Congress assured by the constitution that can be used by them as they please without any outside interference
This includes very important powers related tot eh independent power o taxation and quite a few matters of war.
This is done so as to make sure that the country remains in the hand of the representatives of the people directly elected by the people in the important matters.