Which of these is an expressed power of congress?
admitting new states
creating a national banking system
eliminating amendments to the constitution
determining what is cruel and unusual punishment

 Admitting new states

The power of congress is expressed by admitting new states.

Explanation:

In the process the establishment of national banking was initially occupied by the supreme court which was made to make an oblique power.

So, canceling the amendments takes a load of time and it does not really occur or happens in a regular amount of days.

So, Congress is better with initiating the new states. And to make it clear the law written in Article 4 of the constituent states admitting the new state.

admitting new states

Explanation:

i just got it on my government test

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.