Sistema político en el que el poder ejecutivo es encabezado por un monarca o presidente que cumple la función de jefe de Estado y un primer ministro que ejerce como jefe de Gobierno." Esta definición corresponde a

Gobierno parlamentario monárquico: Sistema que ocurre en los Estados donde un Rey, Emperador o Príncipe es el Jefe de Estado.

heres english just in case - The Parliamentary States: They are those in which the Executive Power is two-headed, that is, exercised by a Head of Government who performs the essential functions of command; and by a Head of State, appointed by a parliamentary majority. In turn, Parliament is elected by the people.

hope i heleped

Explanation:

it allows shippers to carry commercial goods, which allows them to save time and money.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.