.
The Federal government has only the ‘ennumerated’ powers under our constitution.
Those things which are the means to carry out the enumerated powers are constitutional as long as they meet Hamilton’s definition.
A National Bank assists in achieving those ends and was critical to the foundation.
The contention that the fed could exercise only those specified powers was considered and rejected at the Constitutional Convention. It knew better than you.
Donald Trump would be a total Hamiltonian like him an ardent Nationalist concerned above all about the protection of the Union.